Base | Representation |
---|---|
bin | 1101100111000… |
… | …0111100111000 |
3 | 10222102020221010 |
4 | 3121300330320 |
5 | 104103221002 |
6 | 5355313520 |
7 | 1262135523 |
oct | 331607470 |
9 | 128366833 |
10 | 57085752 |
11 | 2a250409 |
12 | 1714b8a0 |
13 | ba99669 |
14 | 781dbba |
15 | 502946c |
hex | 3670f38 |
57085752 has 32 divisors (see below), whose sum is σ = 145057680. Its totient is φ = 18716160.
The previous prime is 57085751. The next prime is 57085753. The reversal of 57085752 is 25758075.
It is an interprime number because it is at equal distance from previous prime (57085751) and next prime (57085753).
It is a self number, because there is not a number n which added to its sum of digits gives 57085752.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57085751) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18033 + ... + 20960.
Almost surely, 257085752 is an apocalyptic number.
It is an amenable number.
57085752 is an abundant number, since it is smaller than the sum of its proper divisors (87971928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57085752 is a wasteful number, since it uses less digits than its factorization.
57085752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39063 (or 39059 counting only the distinct ones).
The product of its (nonzero) digits is 98000, while the sum is 39.
The square root of 57085752 is about 7555.5113658838. The cubic root of 57085752 is about 385.0430086321.
The spelling of 57085752 in words is "fifty-seven million, eighty-five thousand, seven hundred fifty-two".
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