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252056238 = 2376001339
BaseRepresentation
bin11110000011000…
…01001010101110
3122120021210011020
433001201022232
51004011244423
641002235010
76150304560
oct1701411256
9576253136
10252056238
1111a308645
12704b5a66
13402b2605
1425693330
15171dd4e3
hexf0612ae

252056238 has 16 divisors (see below), whose sum is σ = 576128640. Its totient is φ = 72016056.

The previous prime is 252056237. The next prime is 252056243. The reversal of 252056238 is 832650252.

252056238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2520562382 = 127064694229425288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252056199 and 252056208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252056237) 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 7 ways as a sum of consecutive naturals, for example, 3000628 + ... + 3000711.

It is an arithmetic number, because the mean of its divisors is an integer number (36008040).

Almost surely, 2252056238 is an apocalyptic number.

252056238 is an abundant number, since it is smaller than the sum of its proper divisors (324072402).

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

252056238 is a wasteful number, since it uses less digits than its factorization.

252056238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001351.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 252056238 is about 15876.2790980758. The cubic root of 252056238 is about 631.6829429680.

The spelling of 252056238 in words is "two hundred fifty-two million, fifty-six thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 6001339 12002678 18004017 36008034 42009373 84018746 126028119 252056238