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252152012 = 2279005429
BaseRepresentation
bin11110000011110…
…00100011001100
3122120110122112102
433001320203030
51004022331022
641004254232
76151154030
oct1701704314
9576418472
10252152012
1111a3735a2
1270541378
1340317098
14256ba1c0
151720ba92
hexf0788cc

252152012 has 12 divisors (see below), whose sum is σ = 504304080. Its totient is φ = 108065136.

The previous prime is 252151987. The next prime is 252152051. The reversal of 252152012 is 210251252.

It is a happy number.

252152012 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 4502687 + ... + 4502742.

It is an arithmetic number, because the mean of its divisors is an integer number (42025340).

Almost surely, 2252152012 is an apocalyptic number.

It is an amenable number.

252152012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252152012 is a wasteful number, since it uses less digits than its factorization.

252152012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005440 (or 9005438 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 252152012 is about 15879.2950725150. The cubic root of 252152012 is about 631.7629398524.

The spelling of 252152012 in words is "two hundred fifty-two million, one hundred fifty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 9005429 18010858 36021716 63038003 126076006 252152012