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252118232 = 23239131861
BaseRepresentation
bin11110000011100…
…00010011011000
3122120101221012022
433001300103120
51004020240412
641003434012
76150653402
oct1701602330
9576357168
10252118232
1111a350183
1270525908
13403048b2
14256abb72
1517201a72
hexf0704d8

252118232 has 16 divisors (see below), whose sum is σ = 474703200. Its totient is φ = 125530720.

The previous prime is 252118183. The next prime is 252118247. The reversal of 252118232 is 232811252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64019 + ... + 67842.

It is an arithmetic number, because the mean of its divisors is an integer number (29668950).

Almost surely, 2252118232 is an apocalyptic number.

It is an amenable number.

252118232 is a deficient number, since it is larger than the sum of its proper divisors (222584968).

252118232 is a wasteful number, since it uses less digits than its factorization.

252118232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132106 (or 132102 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 252118232 is about 15878.2313876578. The cubic root of 252118232 is about 631.7347268378.

Adding to 252118232 its reverse (232811252), we get a palindrome (484929484).

The spelling of 252118232 in words is "two hundred fifty-two million, one hundred eighteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 239 478 956 1912 131861 263722 527444 1054888 31514779 63029558 126059116 252118232