Base | Representation |
---|---|
bin | 1101101111100… |
… | …1101100101100 |
3 | 11000110201021011 |
4 | 3123321230230 |
5 | 104224131433 |
6 | 5415315004 |
7 | 1266660520 |
oct | 333715454 |
9 | 130421234 |
10 | 57645868 |
11 | 2a5a3215 |
12 | 1737ba64 |
13 | bc345a7 |
14 | 7927d80 |
15 | 50da3cd |
hex | 36f9b2c |
57645868 has 12 divisors (see below), whose sum is σ = 115291792. Its totient is φ = 24705360.
The previous prime is 57645857. The next prime is 57645869. The reversal of 57645868 is 86854675.
57645868 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (57645869) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029363 + ... + 1029418.
Almost surely, 257645868 is an apocalyptic number.
It is an amenable number.
57645868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57645868 is a wasteful number, since it uses less digits than its factorization.
57645868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2058792 (or 2058790 counting only the distinct ones).
The product of its digits is 1612800, while the sum is 49.
The square root of 57645868 is about 7592.4876028875. The cubic root of 57645868 is about 386.2982383730.
The spelling of 57645868 in words is "fifty-seven million, six hundred forty-five thousand, eight hundred sixty-eight".
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