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252239152 = 24111433177
BaseRepresentation
bin11110000100011…
…01110100110000
3122120122002001211
433002031310300
51004033123102
641010205504
76151666054
oct1702156460
9576562054
10252239152
1111a423010
1270583894
1340347949
14256ddc64
15172277d7
hexf08dd30

252239152 has 20 divisors (see below), whose sum is σ = 533142216. Its totient is φ = 114654080.

The previous prime is 252239123. The next prime is 252239153. The reversal of 252239152 is 251932252.

It is not an unprimeable number, because it can be changed into a prime (252239153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716413 + ... + 716764.

Almost surely, 2252239152 is an apocalyptic number.

252239152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252239152 is an abundant number, since it is smaller than the sum of its proper divisors (280903064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252239152 is a wasteful number, since it uses less digits than its factorization.

252239152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433196 (or 1433190 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 252239152 is about 15882.0386600713. The cubic root of 252239152 is about 631.8357074416.

The spelling of 252239152 in words is "two hundred fifty-two million, two hundred thirty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 1433177 2866354 5732708 11465416 15764947 22930832 31529894 63059788 126119576 252239152