Base | Representation |
---|---|
bin | 1111010010001… |
… | …1010110100000 |
3 | 11110122000120000 |
4 | 3310203112200 |
5 | 112402423221 |
6 | 10210020000 |
7 | 1405623414 |
oct | 364432640 |
9 | 143560500 |
10 | 64107936 |
11 | 33207272 |
12 | 19577600 |
13 | 103879b9 |
14 | 872ad44 |
15 | 5964e26 |
hex | 3d235a0 |
64107936 has 60 divisors (see below), whose sum is σ = 188547282. Its totient is φ = 21368448.
The previous prime is 64107913. The next prime is 64107941. The reversal of 64107936 is 63970146.
64107936 is a `hidden beast` number, since 641 + 0 + 7 + 9 + 3 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 63297936 + 810000 = 7956^2 + 900^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 64107936.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9775 + ... + 14958.
Almost surely, 264107936 is an apocalyptic number.
It is an amenable number.
64107936 is an abundant number, since it is smaller than the sum of its proper divisors (124439346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64107936 is a wasteful number, since it uses less digits than its factorization.
64107936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24755 (or 24738 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 64107936 is about 8006.7431581137. The cubic root of 64107936 is about 400.2247403724.
The spelling of 64107936 in words is "sixty-four million, one hundred seven thousand, nine hundred thirty-six".
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