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252706707 = 321119373631
BaseRepresentation
bin11110000111111…
…11111110010011
3122121111211102200
433003333332103
51004143103312
641024214243
76155654151
oct1703777623
9577454380
10252706707
1111a712320
127076a383
134047c6c6
14257c23d1
15172bb0dc
hexf0fff93

252706707 has 48 divisors (see below), whose sum is σ = 430609920. Its totient is φ = 141134400.

The previous prime is 252706627. The next prime is 252706709. The reversal of 252706707 is 707607252.

It is not a de Polignac number, because 252706707 - 210 = 252705683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252706709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67782 + ... + 71412.

It is an arithmetic number, because the mean of its divisors is an integer number (8971040).

Almost surely, 2252706707 is an apocalyptic number.

252706707 is a deficient number, since it is larger than the sum of its proper divisors (177903213).

252706707 is a wasteful number, since it uses less digits than its factorization.

252706707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 252706707 is about 15896.7514605972. The cubic root of 252706707 is about 632.2258604623.

The spelling of 252706707 in words is "two hundred fifty-two million, seven hundred six thousand, seven hundred seven".

Divisors: 1 3 9 11 19 33 37 57 99 111 171 209 333 407 627 703 1221 1881 2109 3631 3663 6327 7733 10893 23199 32679 39941 68989 69597 119823 134347 206967 359469 403041 620901 758879 1209123 1477817 2276637 2552593 4433451 6829911 7657779 13300353 22973337 28078523 84235569 252706707