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252566928 = 24327732269
BaseRepresentation
bin11110000110111…
…01110110010000
3122121020201200200
433003131312100
51004124120203
641021215200
76154532505
oct1703356620
9577221620
10252566928
1111a6272a9
1270701500
1340430bb3
14257874ac
151728e9a3
hexf0ddd90

252566928 has 60 divisors (see below), whose sum is σ = 708062940. Its totient is φ = 84043008.

The previous prime is 252566927. The next prime is 252566953. The reversal of 252566928 is 829665252.

It can be written as a sum of positive squares in 2 ways, for example, as 13307904 + 239259024 = 3648^2 + 15468^2 .

It is a super-3 number, since 3×2525669283 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (252566927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110178 + ... + 112446.

It is an arithmetic number, because the mean of its divisors is an integer number (11801049).

Almost surely, 2252566928 is an apocalyptic number.

It is an amenable number.

252566928 is an abundant number, since it is smaller than the sum of its proper divisors (455496012).

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

252566928 is a wasteful number, since it uses less digits than its factorization.

252566928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056 (or 3047 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 252566928 is about 15892.3543881956. The cubic root of 252566928 is about 632.1092718179.

The spelling of 252566928 in words is "two hundred fifty-two million, five hundred sixty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 773 1546 2269 2319 3092 4538 4638 6184 6807 6957 9076 9276 12368 13614 13914 18152 18552 20421 27228 27828 36304 37104 40842 54456 55656 81684 108912 111312 163368 326736 1753937 3507874 5261811 7015748 10523622 14031496 15785433 21047244 28062992 31570866 42094488 63141732 84188976 126283464 252566928