Base | Representation |
---|---|
bin | 110001111011… |
… | …001100000000 |
3 | 220121220122210 |
4 | 301323030000 |
5 | 11322244423 |
6 | 1144302120 |
7 | 216145641 |
oct | 61731400 |
9 | 26556583 |
10 | 13087488 |
11 | 7429907 |
12 | 4471940 |
13 | 2932c9b |
14 | 1a496c8 |
15 | 1237b93 |
hex | c7b300 |
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".
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