Divisors of the Positive Integer 661980

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 59, 60, 66, 68, 85, 102, 110, 118, 132, 165, 170, 177, 187, 204, 220, 236, 255, 295, 330, 340, 354, 374, 510, 561, 590, 649, 660, 708, 748, 885, 935, 1003, 1020, 1122, 1180, 1298, 1770, 1870, 1947, 2006, 2244, 2596, 2805, 3009, 3245, 3540, 3740, 3894, 4012, 5015, 5610, 6018, 6490, 7788, 9735, 10030, 11033, 11220, 12036, 12980, 15045, 19470, 20060, 22066, 30090, 33099, 38940, 44132, 55165, 60180, 66198, 110330, 132396, 165495, 220660, 330990, 661980

Sum of all the Divisors of 661980, including itself

2177280

Sum of the Proper Divisors of 661980

1515300

Properties of the number 661980

The integer 661980 is an even number.
The integer 661980 is a Composite number.
1515300 is greater than 661980, so 661980 is an abundant number.

The number 661980 as a Roman Numeral

_D_C_L_XMCMLXXX (Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)

The number 661980 in various Numeral Systems

Base	Representation
2:	10100001100111011100
3:	1020122001210
4:	2201213130
5:	132140410
6:	22104420
7:	5424654
8:	2414734
9:	1218053
10:	661980
11:	4123A0
12:	27B110
13:	1A2407
14:	133364
15:	D1220
16:	A19DC
17:	7FCA0
18:	6592C
19:	519E1
20:	42EJ0
21:	38A1I
22:	2I3G0
23:	2898H
24:	1NL6C
25:	1H945
26:	1BH6K
27:	16H1L
28:	124A4
29:	R43Q
30:	OFG0
31:	M6Q6
32:	K6ES
33:	IDT0
34:	GSM0
35:	FFDP
36:	E6SC