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252651532 = 2279023269
BaseRepresentation
bin11110000111100…
…10100000001100
3122121102000202011
433003302200030
51004134322112
641023111004
76155334250
oct1703624014
9577360664
10252651532
1111a684921
1270742464
1340460563
14257aa260
15172a9aa7
hexf0f280c

252651532 has 12 divisors (see below), whose sum is σ = 505303120. Its totient is φ = 108279216.

The previous prime is 252651517. The next prime is 252651533. The reversal of 252651532 is 235156252.

It is a happy number.

252651532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

252651532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 252651494 and 252651503.

It is not an unprimeable number, because it can be changed into a prime (252651533) 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, 4511607 + ... + 4511662.

Almost surely, 2252651532 is an apocalyptic number.

It is an amenable number.

252651532 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.

252651532 is a wasteful number, since it uses less digits than its factorization.

252651532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023280 (or 9023278 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 252651532 is about 15895.0159484034. The cubic root of 252651532 is about 632.1798445343.

The spelling of 252651532 in words is "two hundred fifty-two million, six hundred fifty-one thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 9023269 18046538 36093076 63162883 126325766 252651532