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25288 = 2329109
BaseRepresentation
bin110001011001000
31021200121
412023020
51302123
6313024
7133504
oct61310
937617
1025288
1117aaa
1212774
13b683
149304
15775d
hex62c8

25288 has 16 divisors (see below), whose sum is σ = 49500. Its totient is φ = 12096.

The previous prime is 25261. The next prime is 25301. The reversal of 25288 is 88252.

It can be written as a sum of positive squares in 2 ways, for example, as 24964 + 324 = 158^2 + 18^2 .

It is a plaindrome in base 11.

It is an unprimeable number.

25288 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, 178 + ... + 286.

225288 is an apocalyptic number.

It is an amenable number.

25288 is a deficient number, since it is larger than the sum of its proper divisors (24212).

25288 is a wasteful number, since it uses less digits than its factorization.

25288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 140 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 25288 is about 159.0220110551. The cubic root of 25288 is about 29.3520312378.

It can be divided in two parts, 25 and 288, that added together give a palindrome (313).

The spelling of 25288 in words is "twenty-five thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 29 58 109 116 218 232 436 872 3161 6322 12644 25288