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252105712 = 24113139439
BaseRepresentation
bin11110000011011…
…01001111110000
3122120101022000121
433001231033300
51004014340322
641003300024
76150602035
oct1701551760
9576338017
10252105712
1111a341831
127051a614
13402cbca1
14256a738c
15171ecec7
hexf06d3f0

252105712 has 20 divisors (see below), whose sum is σ = 492780960. Its totient is φ = 124936448.

The previous prime is 252105709. The next prime is 252105727. The reversal of 252105712 is 217501252.

252105712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67912 + ... + 71527.

It is an arithmetic number, because the mean of its divisors is an integer number (24639048).

Almost surely, 2252105712 is an apocalyptic number.

It is an amenable number.

252105712 is a deficient number, since it is larger than the sum of its proper divisors (240675248).

252105712 is a wasteful number, since it uses less digits than its factorization.

252105712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139560 (or 139554 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 252105712 is about 15877.8371323049. The cubic root of 252105712 is about 631.7242695091.

Adding to 252105712 its reverse (217501252), we get a palindrome (469606964).

The spelling of 252105712 in words is "two hundred fifty-two million, one hundred five thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 113 226 452 904 1808 139439 278878 557756 1115512 2231024 15756607 31513214 63026428 126052856 252105712