Base | Representation |
---|---|
bin | 1101101011110… |
… | …0100110101000 |
3 | 10222222222222212 |
4 | 3122330212220 |
5 | 104143124444 |
6 | 5410104252 |
7 | 1264566116 |
oct | 332744650 |
9 | 128888885 |
10 | 57395624 |
11 | 2a442200 |
12 | 1727b088 |
13 | bb77710 |
14 | 78a0ab6 |
15 | 508b19e |
hex | 36bc9a8 |
57395624 has 48 divisors (see below), whose sum is σ = 127416660. Its totient is φ = 24076800.
The previous prime is 57395623. The next prime is 57395627. The reversal of 57395624 is 42659375.
It can be written as a sum of positive squares in 2 ways, for example, as 53027524 + 4368100 = 7282^2 + 2090^2 .
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (57395623) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10304 + ... + 14864.
Almost surely, 257395624 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57395624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63708330).
57395624 is an abundant number, since it is smaller than the sum of its proper divisors (70021036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57395624 is a wasteful number, since it uses less digits than its factorization.
57395624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4602 (or 4587 counting only the distinct ones).
The product of its digits is 226800, while the sum is 41.
The square root of 57395624 is about 7575.9899683144. The cubic root of 57395624 is about 385.7384466673.
The spelling of 57395624 in words is "fifty-seven million, three hundred ninety-five thousand, six hundred twenty-four".
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