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52656913 = 232289431
BaseRepresentation
bin1100100011011…
…1101100010001
310200002020201001
43020313230101
5101440010123
65120342001
71206401461
oct310675421
9120066631
1052656913
11277a5a11
1215774901
13aba884a
146dc9ba1
1549520ad
hex3237b11

52656913 has 4 divisors (see below), whose sum is σ = 54946368. Its totient is φ = 50367460.

The previous prime is 52656907. The next prime is 52656917. The reversal of 52656913 is 31965625.

52656913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52656913 - 213 = 52648721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52656917) by changing a digit.

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, 1144693 + ... + 1144738.

It is an arithmetic number, because the mean of its divisors is an integer number (13736592).

Almost surely, 252656913 is an apocalyptic number.

It is an amenable number.

52656913 is a deficient number, since it is larger than the sum of its proper divisors (2289455).

52656913 is a wasteful number, since it uses less digits than its factorization.

52656913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289454.

The product of its digits is 48600, while the sum is 37.

The square root of 52656913 is about 7256.5083201220. The cubic root of 52656913 is about 374.8162963930.

The spelling of 52656913 in words is "fifty-two million, six hundred fifty-six thousand, nine hundred thirteen".

Divisors: 1 23 2289431 52656913