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57162 = 2371361
BaseRepresentation
bin1101111101001010
32220102010
431331022
53312122
61120350
7325440
oct157512
986363
1057162
1139a46
12290b6
1320031
1416b90
1511e0c
hexdf4a

57162 has 16 divisors (see below), whose sum is σ = 130752. Its totient is φ = 16320.

The previous prime is 57149. The next prime is 57163. The reversal of 57162 is 26175.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 7 ways as a sum of consecutive naturals, for example, 639 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (8172).

257162 is an apocalyptic number.

57162 is an abundant number, since it is smaller than the sum of its proper divisors (73590).

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 (65376).

57162 is a wasteful number, since it uses less digits than its factorization.

57162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its digits is 420, while the sum is 21.

The square root of 57162 is about 239.0857586725. The cubic root of 57162 is about 38.5214363110.

The spelling of 57162 in words is "fifty-seven thousand, one hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 42 1361 2722 4083 8166 9527 19054 28581 57162