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252575828 = 22433145829
BaseRepresentation
bin11110000111000…
…00000001010100
3122121021011220022
433003200001110
51004124411303
641021324312
76154600451
oct1703400124
9577234808
10252575828
1111a632a5a
1270706698
1340434c6b
142578a828
1517292438
hexf0e0054

252575828 has 12 divisors (see below), whose sum is σ = 443031540. Its totient is φ = 125995392.

The previous prime is 252575777. The next prime is 252575849. The reversal of 252575828 is 828575252.

It can be written as a sum of positive squares in 2 ways, for example, as 26915344 + 225660484 = 5188^2 + 15022^2 .

It is a congruent number.

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, 71183 + ... + 74646.

It is an arithmetic number, because the mean of its divisors is an integer number (36919295).

Almost surely, 2252575828 is an apocalyptic number.

It is an amenable number.

252575828 is a deficient number, since it is larger than the sum of its proper divisors (190455712).

252575828 is a wasteful number, since it uses less digits than its factorization.

252575828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146266 (or 146264 counting only the distinct ones).

The product of its digits is 448000, while the sum is 44.

The square root of 252575828 is about 15892.6343945867. The cubic root of 252575828 is about 632.1166965251.

The spelling of 252575828 in words is "two hundred fifty-two million, five hundred seventy-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 433 866 1732 145829 291658 583316 63143957 126287914 252575828