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57886 = 2103281
BaseRepresentation
bin1110001000011110
32221101221
432020132
53323021
61123554
7330523
oct161036
987357
1057886
113a544
12295ba
132046a
141714a
1512241
hexe21e

57886 has 8 divisors (see below), whose sum is σ = 87984. Its totient is φ = 28560.

The previous prime is 57881. The next prime is 57899. The reversal of 57886 is 68875.

57886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57881) by changing a digit.

57886 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 3 ways as a sum of consecutive naturals, for example, 66 + ... + 346.

It is an arithmetic number, because the mean of its divisors is an integer number (10998).

257886 is an apocalyptic number.

57886 is a deficient number, since it is larger than the sum of its proper divisors (30098).

57886 is a wasteful number, since it uses less digits than its factorization.

57886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

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

The square root of 57886 is about 240.5950955444. The cubic root of 57886 is about 38.6833888564.

The spelling of 57886 in words is "fifty-seven thousand, eight hundred eighty-six".

Divisors: 1 2 103 206 281 562 28943 57886