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57160 = 2351429
BaseRepresentation
bin1101111101001000
32220102001
431331020
53312120
61120344
7325435
oct157510
986361
1057160
1139a44
12290b4
132002c
1416b8c
1511e0a
hexdf48

57160 has 16 divisors (see below), whose sum is σ = 128700. Its totient is φ = 22848.

The previous prime is 57149. The next prime is 57163. The reversal of 57160 is 6175.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 6084 = 226^2 + 78^2 .

It is not an unprimeable number, because it can be changed into a prime (57163) 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, 675 + ... + 754.

257160 is an apocalyptic number.

It is an amenable number.

57160 is an abundant number, since it is smaller than the sum of its proper divisors (71540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64350).

57160 is a wasteful number, since it uses less digits than its factorization.

57160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 57160 is about 239.0815760363. The cubic root of 57160 is about 38.5209870395.

The spelling of 57160 in words is "fifty-seven thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1429 2858 5716 7145 11432 14290 28580 57160