Positive Integers » 640001-650000 » 642901-643000 » 642980

Divisors of the Positive Integer 642980

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2473, 4946, 9892, 12365, 24730, 32149, 49460, 64298, 128596, 160745, 321490, 642980

Sum of all the Divisors of 642980, including itself

1454712

Sum of the Proper Divisors of 642980

811732

Properties of the number 642980

The integer 642980 is an even number.
The integer 642980 is a Composite number.
811732 is greater than 642980, so 642980 is an abundant number.

The number 642980 as a Roman Numeral

_D_C_X_LMMCMLXXX (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 642980 in various Numeral Systems

Base Representation
2:10011100111110100100
3:1012200000002
4:2130332210
5:131033410
6:21440432
7:5315402
8:2347644
9:1180002
10:642980
11:3AA098
12:270118
13:196880
14:12A472
15:CA7A5
16:9CFA4
17:7BEE6
18:62492
19:4HE21
20:40790
21:36902
22:2G8A8
23:26JAF
24:1MC6K
25:1G3J5
26:1AF40
27:15I02
28:1183G
29:QAFL
30:NOCK
31:LI29
32:JJT4
33:HTE8
34:GC76
35:EYUU
36:DS4K