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252100074 = 23291937507
BaseRepresentation
bin11110000011010…
…11110111101010
3122120101000021210
433001223313222
51004014200244
641003213550
76150546432
oct1701536752
9576330253
10252100074
1111a338576
12705172b6
13402c9555
14256a52c2
15171eb4b9
hexf06bdea

252100074 has 32 divisors (see below), whose sum is σ = 524358720. Its totient is φ = 80704512.

The previous prime is 252100067. The next prime is 252100109. The reversal of 252100074 is 470001252.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252100074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29829 + ... + 37335.

It is an arithmetic number, because the mean of its divisors is an integer number (16386210).

Almost surely, 2252100074 is an apocalyptic number.

252100074 is an abundant number, since it is smaller than the sum of its proper divisors (272258646).

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

252100074 is a wasteful number, since it uses less digits than its factorization.

252100074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 252100074 is about 15877.6595882391. The cubic root of 252100074 is about 631.7195602571.

The spelling of 252100074 in words is "two hundred fifty-two million, one hundred thousand, seventy-four".

Divisors: 1 2 3 6 29 58 87 174 193 386 579 1158 5597 7507 11194 15014 16791 22521 33582 45042 217703 435406 653109 1306218 1448851 2897702 4346553 8693106 42016679 84033358 126050037 252100074