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57868 = 22172337
BaseRepresentation
bin1110001000001100
32221101021
432020030
53322433
61123524
7330466
oct161014
987337
1057868
113a528
12295a4
1320455
1417136
151222d
hexe20c

57868 has 24 divisors (see below), whose sum is σ = 114912. Its totient is φ = 25344.

The previous prime is 57859. The next prime is 57881. The reversal of 57868 is 86875.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a d-powerful number, because it can be written as 5 + 75 + 83 + 65 + 85 .

It is a plaindrome in base 15.

It is an unprimeable number.

57868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 1582.

It is an arithmetic number, because the mean of its divisors is an integer number (4788).

257868 is an apocalyptic number.

It is an amenable number.

57868 is a deficient number, since it is larger than the sum of its proper divisors (57044).

57868 is a wasteful number, since it uses less digits than its factorization.

57868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 79 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 57868 is about 240.5576853896. The cubic root of 57868 is about 38.6793788299.

It can be divided in two parts, 578 and 68, that multiplied together give a cube (39304 = 343).

The spelling of 57868 in words is "fifty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17 23 34 37 46 68 74 92 148 391 629 782 851 1258 1564 1702 2516 3404 14467 28934 57868