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252056239 = 435861773
BaseRepresentation
bin11110000011000…
…01001010101111
3122120021210011021
433001201022233
51004011244424
641002235011
76150304561
oct1701411257
9576253137
10252056239
1111a308646
12704b5a67
13402b2606
1425693331
15171dd4e4
hexf0612af

252056239 has 4 divisors (see below), whose sum is σ = 257918056. Its totient is φ = 246194424.

The previous prime is 252056237. The next prime is 252056243. The reversal of 252056239 is 932650252.

It is a happy number.

252056239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252056239 - 21 = 252056237 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930844 + ... + 2930929.

It is an arithmetic number, because the mean of its divisors is an integer number (64479514).

Almost surely, 2252056239 is an apocalyptic number.

252056239 is a deficient number, since it is larger than the sum of its proper divisors (5861817).

252056239 is an equidigital number, since it uses as much as digits as its factorization.

252056239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861816.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 252056239 is about 15876.2791295694. The cubic root of 252056239 is about 631.6829438034.

The spelling of 252056239 in words is "two hundred fifty-two million, fifty-six thousand, two hundred thirty-nine".

Divisors: 1 43 5861773 252056239