Base | Representation |
---|---|
bin | 1101110011100… |
… | …1001000000000 |
3 | 11000221220122020 |
4 | 3130321020000 |
5 | 104310440124 |
6 | 5425041440 |
7 | 1302122115 |
oct | 334711000 |
9 | 130856566 |
10 | 57905664 |
11 | 2a760423 |
12 | 17486280 |
13 | bcc590b |
14 | 799490c |
15 | 513c379 |
hex | 3739200 |
57905664 has 40 divisors (see below), whose sum is σ = 154268400. Its totient is φ = 19301376.
The previous prime is 57905641. The next prime is 57905669. The reversal of 57905664 is 46650975.
It is not an unprimeable number, because it can be changed into a prime (57905669) 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, 17314 + ... + 20385.
It is an arithmetic number, because the mean of its divisors is an integer number (3856710).
Almost surely, 257905664 is an apocalyptic number.
It is an amenable number.
57905664 is an abundant number, since it is smaller than the sum of its proper divisors (96362736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57905664 is an equidigital number, since it uses as much as digits as its factorization.
57905664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37720 (or 37704 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 42.
The square root of 57905664 is about 7609.5771235989. The cubic root of 57905664 is about 386.8776863760.
The spelling of 57905664 in words is "fifty-seven million, nine hundred five thousand, six hundred sixty-four".
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