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252872235 = 3257111923167
BaseRepresentation
bin11110001001010…
…00011000101011
3122121211020111100
433010220120223
51004213402420
641031532443
76160243560
oct1704503053
9577736440
10252872235
1111a815720
127082a123
1340509b55
1425826867
1517300190
hexf12862b

252872235 has 192 divisors, whose sum is σ = 603832320. Its totient is φ = 94659840.

The previous prime is 252872227. The next prime is 252872299. The reversal of 252872235 is 532278252.

It is a happy number.

It is not a de Polignac number, because 252872235 - 23 = 252872227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252872235.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 1514122 + ... + 1514288.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2252872235 is an apocalyptic number.

252872235 is an abundant number, since it is smaller than the sum of its proper divisors (350960085).

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

252872235 is a wasteful number, since it uses less digits than its factorization.

252872235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 252872235 is about 15901.9569550417. The cubic root of 252872235 is about 632.3638705720.

The spelling of 252872235 in words is "two hundred fifty-two million, eight hundred seventy-two thousand, two hundred thirty-five".