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57992 = 2311659
BaseRepresentation
bin1110001010001000
32221112212
432022020
53323432
61124252
7331034
oct161210
987485
1057992
113a630
1229688
132051c
14171c4
15122b2
hexe288

57992 has 16 divisors (see below), whose sum is σ = 118800. Its totient is φ = 26320.

The previous prime is 57991. The next prime is 58013. The reversal of 57992 is 29975.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 57992.

It is not an unprimeable number, because it can be changed into a prime (57991) 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, 242 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (7425).

257992 is an apocalyptic number.

It is an amenable number.

57992 is an abundant number, since it is smaller than the sum of its proper divisors (60808).

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 (59400).

57992 is a wasteful number, since it uses less digits than its factorization.

57992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 672 counting only the distinct ones).

The product of its digits is 5670, while the sum is 32.

The square root of 57992 is about 240.8152819071. The cubic root of 57992 is about 38.7069866110.

It can be divided in two parts, 5 and 7992, that added together give a palindrome (7997).

The spelling of 57992 in words is "fifty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 659 1318 2636 5272 7249 14498 28996 57992