Search a number
-
+
57092 = 2272039
BaseRepresentation
bin1101111100000100
32220022112
431330010
53311332
61120152
7325310
oct157404
986275
1057092
1139992
1229058
131cca9
1416b40
1511db2
hexdf04

57092 has 12 divisors (see below), whose sum is σ = 114240. Its totient is φ = 24456.

The previous prime is 57089. The next prime is 57097. The reversal of 57092 is 29075.

57092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

57092 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57097) 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, 992 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (9520).

257092 is an apocalyptic number.

It is an amenable number.

57092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (57120).

57092 is a wasteful number, since it uses less digits than its factorization.

57092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 57092 is about 238.9393228416. The cubic root of 57092 is about 38.5057055692.

The spelling of 57092 in words is "fifty-seven thousand, ninety-two".

Divisors: 1 2 4 7 14 28 2039 4078 8156 14273 28546 57092