Search a number
BaseRepresentation
bin1101111100010100
32220100010
431330110
53311413
61120220
7325332
oct157424
986303
1057108
11399a7
1229070
131ccbc
1416b52
1511dc3
hexdf14

57108 has 12 divisors (see below), whose sum is σ = 133280. Its totient is φ = 19032.

The previous prime is 57107. The next prime is 57119. The reversal of 57108 is 80175.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×571082 = 6522647328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57107) 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, 2368 + ... + 2391.

257108 is an apocalyptic number.

It is an amenable number.

57108 is an abundant number, since it is smaller than the sum of its proper divisors (76172).

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 (66640).

57108 is a wasteful number, since it uses less digits than its factorization.

57108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 4764 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 57108 is about 238.9728017997. The cubic root of 57108 is about 38.5093023005.

The spelling of 57108 in words is "fifty-seven thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 4759 9518 14277 19036 28554 57108