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52636937 = 139378683
BaseRepresentation
bin1100100011001…
…0110100001001
310200001020022012
43020302310021
5101433340222
65120105305
71206256313
oct310626411
9120036265
1052636937
1127791a01
1215765235
13ab9c722
146dc27b3
15494b1e2
hex3232d09

52636937 has 4 divisors (see below), whose sum is σ = 53015760. Its totient is φ = 52258116.

The previous prime is 52636933. The next prime is 52636957. The reversal of 52636937 is 73963625.

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 52636937 - 22 = 52636933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52636894 and 52636903.

It is not an unprimeable number, because it can be changed into a prime (52636931) 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, 189203 + ... + 189480.

It is an arithmetic number, because the mean of its divisors is an integer number (13253940).

Almost surely, 252636937 is an apocalyptic number.

It is an amenable number.

52636937 is a deficient number, since it is larger than the sum of its proper divisors (378823).

52636937 is a wasteful number, since it uses less digits than its factorization.

52636937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378822.

The product of its digits is 204120, while the sum is 41.

The square root of 52636937 is about 7255.1317699956. The cubic root of 52636937 is about 374.7688934538.

The spelling of 52636937 in words is "fifty-two million, six hundred thirty-six thousand, nine hundred thirty-seven".

Divisors: 1 139 378683 52636937