Base | Representation |
---|---|
bin | 1111011101110… |
… | …0010110100000 |
3 | 11112001112000012 |
4 | 3313130112200 |
5 | 113101200241 |
6 | 10234144052 |
7 | 1415230550 |
oct | 367342640 |
9 | 145045005 |
10 | 64865696 |
11 | 33684615 |
12 | 19882028 |
13 | 1059188c |
14 | 8887160 |
15 | 5a646eb |
hex | 3ddc5a0 |
64865696 has 48 divisors (see below), whose sum is σ = 153639360. Its totient is φ = 26334720.
The previous prime is 64865657. The next prime is 64865711. The reversal of 64865696 is 69656846.
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, 3365 + ... + 11876.
It is an arithmetic number, because the mean of its divisors is an integer number (3200820).
Almost surely, 264865696 is an apocalyptic number.
It is an amenable number.
64865696 is an abundant number, since it is smaller than the sum of its proper divisors (88773664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64865696 is a wasteful number, since it uses less digits than its factorization.
64865696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15277 (or 15269 counting only the distinct ones).
The product of its digits is 1866240, while the sum is 50.
The square root of 64865696 is about 8053.9242608805. The cubic root of 64865696 is about 401.7954620649.
The spelling of 64865696 in words is "sixty-four million, eight hundred sixty-five thousand, six hundred ninety-six".
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