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252053444 = 22431465427
BaseRepresentation
bin11110000011000…
…00011111000100
3122120021122022202
433001200133010
51004011202234
641002214032
76150263456
oct1701403704
9576248282
10252053444
1111a306535
12704b4318
13402b1266
14256922d6
15171dc77e
hexf0607c4

252053444 has 12 divisors (see below), whose sum is σ = 451351824. Its totient is φ = 123095784.

The previous prime is 252053419. The next prime is 252053489. The reversal of 252053444 is 444350252.

It is a super-2 number, since 2×2520534442 = 127061877264522272, which contains 22 as substring.

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, 732542 + ... + 732885.

It is an arithmetic number, because the mean of its divisors is an integer number (37612652).

Almost surely, 2252053444 is an apocalyptic number.

It is an amenable number.

252053444 is a deficient number, since it is larger than the sum of its proper divisors (199298380).

252053444 is a wasteful number, since it uses less digits than its factorization.

252053444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465474 (or 1465472 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 252053444 is about 15876.1911049219. The cubic root of 252053444 is about 631.6806089272.

The spelling of 252053444 in words is "two hundred fifty-two million, fifty-three thousand, four hundred forty-four".

Divisors: 1 2 4 43 86 172 1465427 2930854 5861708 63013361 126026722 252053444