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13052680 = 2351791823
BaseRepresentation
bin110001110010…
…101100001000
3220120010220121
4301302230020
511320141210
61143433024
7215642314
oct61625410
926503817
1013052680
117405743
124455774
1329201a4
141a3ab44
15122c6da
hexc72b08

13052680 has 32 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 5189056.

The previous prime is 13052659. The next prime is 13052713. The reversal of 13052680 is 8625031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6249 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 213052680 is an apocalyptic number.

13052680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13052680 is an abundant number, since it is smaller than the sum of its proper divisors (16496120).

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

13052680 is a wasteful number, since it uses less digits than its factorization.

13052680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13052680 is about 3612.8492910721. The cubic root of 13052680 is about 235.4506517708.

The spelling of 13052680 in words is "thirteen million, fifty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 179 358 716 895 1432 1790 1823 3580 3646 7160 7292 9115 14584 18230 36460 72920 326317 652634 1305268 1631585 2610536 3263170 6526340 13052680