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57425 = 522297
BaseRepresentation
bin1110000001010001
32220202212
432001101
53314200
61121505
7326264
oct160121
986685
1057425
113a165
1229295
13201a4
1416cdb
1512035
hexe051

57425 has 6 divisors (see below), whose sum is σ = 71238. Its totient is φ = 45920.

The previous prime is 57413. The next prime is 57427. The reversal of 57425 is 52475.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 54289 = 56^2 + 233^2 .

It is not a de Polignac number, because 57425 - 210 = 56401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57425.

It is not an unprimeable number, because it can be changed into a prime (57427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (11873).

257425 is an apocalyptic number.

It is an amenable number.

57425 is a deficient number, since it is larger than the sum of its proper divisors (13813).

57425 is a wasteful number, since it uses less digits than its factorization.

57425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2302 counting only the distinct ones).

The product of its digits is 1400, while the sum is 23.

The square root of 57425 is about 239.6351393264. The cubic root of 57425 is about 38.5804244482.

Subtracting from 57425 its reverse (52475), we obtain a triangular number (4950 = T99).

The spelling of 57425 in words is "fifty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 2297 11485 57425