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52004137 = 471106471
BaseRepresentation
bin1100011001100…
…0010100101001
310121212002021011
43012120110221
5101303113022
65054343521
71201012363
oct306302451
9117762234
1052004137
112739a529
12154baba1
13aa0a6a3
146c99d33
154873977
hex3198529

52004137 has 4 divisors (see below), whose sum is σ = 53110656. Its totient is φ = 50897620.

The previous prime is 52004131. The next prime is 52004149. The reversal of 52004137 is 73140025.

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 52004137 - 211 = 52002089 is a prime.

It is a super-2 number, since 2×520041372 = 5408860530229538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52004131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553189 + ... + 553282.

It is an arithmetic number, because the mean of its divisors is an integer number (13277664).

Almost surely, 252004137 is an apocalyptic number.

It is an amenable number.

52004137 is a deficient number, since it is larger than the sum of its proper divisors (1106519).

52004137 is a wasteful number, since it uses less digits than its factorization.

52004137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106518.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52004137 is about 7211.3893945619. The cubic root of 52004137 is about 373.2610137517.

The spelling of 52004137 in words is "fifty-two million, four thousand, one hundred thirty-seven".

Divisors: 1 47 1106471 52004137