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5115980 = 2251741367
BaseRepresentation
bin10011100001000001001100
3100121220210202
4103201001030
52302202410
6301353032
761325252
oct23410114
910556722
105115980
112984791
121868778
1310a180c
149725d2
156b0ca5
hex4e104c

5115980 has 48 divisors (see below), whose sum is σ = 11684736. Its totient is φ = 1873920.

The previous prime is 5115947. The next prime is 5116039. The reversal of 5115980 is 895115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13757 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (243432).

Almost surely, 25115980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5115980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5842368).

5115980 is an abundant number, since it is smaller than the sum of its proper divisors (6568756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5115980 is a wasteful number, since it uses less digits than its factorization.

5115980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 5115980 is about 2261.8532224705. The cubic root of 5115980 is about 172.3096549153.

The spelling of 5115980 in words is "five million, one hundred fifteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 41 68 82 85 164 170 205 340 367 410 697 734 820 1394 1468 1835 2788 3485 3670 6239 6970 7340 12478 13940 15047 24956 30094 31195 60188 62390 75235 124780 150470 255799 300940 511598 1023196 1278995 2557990 5115980