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52712418 = 23116113093
BaseRepresentation
bin1100100100010…
…1001111100010
310200012001211210
43021011033202
5101443244133
65121450550
71210022343
oct311051742
9120161753
1052712418
1127833690
12157a0a56
13abc7ba5
1470020ca
154963763
hex32453e2

52712418 has 32 divisors (see below), whose sum is σ = 116903232. Its totient is φ = 15710400.

The previous prime is 52712417. The next prime is 52712437. The reversal of 52712418 is 81421725.

It is a super-2 number, since 2×527124182 = 5557198022813448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52712411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (3653226).

Almost surely, 252712418 is an apocalyptic number.

52712418 is an abundant number, since it is smaller than the sum of its proper divisors (64190814).

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

52712418 is a wasteful number, since it uses less digits than its factorization.

52712418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13170.

The product of its digits is 4480, while the sum is 30.

The square root of 52712418 is about 7260.3318105993. The cubic root of 52712418 is about 374.9479465526.

The spelling of 52712418 in words is "fifty-two million, seven hundred twelve thousand, four hundred eighteen".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 366 671 1342 2013 4026 13093 26186 39279 78558 144023 288046 432069 798673 864138 1597346 2396019 4792038 8785403 17570806 26356209 52712418