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13087488 = 28317041
BaseRepresentation
bin110001111011…
…001100000000
3220121220122210
4301323030000
511322244423
61144302120
7216145641
oct61731400
926556583
1013087488
117429907
124471940
132932c9b
141a496c8
151237b93
hexc7b300

13087488 has 36 divisors (see below), whose sum is σ = 34833848. Its totient is φ = 4362240.

The previous prime is 13087463. The next prime is 13087507. The reversal of 13087488 is 88478031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7753 + ... + 9288.

Almost surely, 213087488 is an apocalyptic number.

It is an amenable number.

13087488 is an abundant number, since it is smaller than the sum of its proper divisors (21746360).

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

13087488 is an equidigital number, since it uses as much as digits as its factorization.

13087488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060 (or 17046 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 13087488 is about 3617.6633342532. The cubic root of 13087488 is about 235.6597606009.

The spelling of 13087488 in words is "thirteen million, eighty-seven thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 17041 34082 51123 68164 102246 136328 204492 272656 408984 545312 817968 1090624 1635936 2181248 3271872 4362496 6543744 13087488