Base | Representation |
---|---|
bin | 1101101000100… |
… | …1001100100000 |
3 | 10222121022011001 |
4 | 3122021030200 |
5 | 104114410211 |
6 | 5401401344 |
7 | 1263031165 |
oct | 332111440 |
9 | 128538131 |
10 | 57185056 |
11 | 2a308a85 |
12 | 17199254 |
13 | bb02916 |
14 | 784806c |
15 | 5048ac1 |
hex | 3689320 |
57185056 has 12 divisors (see below), whose sum is σ = 112583142. Its totient is φ = 28592512.
The previous prime is 57185053. The next prime is 57185057. The reversal of 57185056 is 65058175.
It can be written as a sum of positive squares in only one way, i.e., 52707600 + 4477456 = 7260^2 + 2116^2 .
It is not an unprimeable number, because it can be changed into a prime (57185053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 893485 + ... + 893548.
Almost surely, 257185056 is an apocalyptic number.
It is an amenable number.
57185056 is a deficient number, since it is larger than the sum of its proper divisors (55398086).
57185056 is a wasteful number, since it uses less digits than its factorization.
57185056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1787043 (or 1787035 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 37.
The square root of 57185056 is about 7562.0801371051. The cubic root of 57185056 is about 385.2661475623.
The spelling of 57185056 in words is "fifty-seven million, one hundred eighty-five thousand, fifty-six".
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