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52636161 = 317545387
BaseRepresentation
bin1100100011001…
…0101000000001
310200001012020110
43020302220001
5101433324121
65120101533
71206254124
oct310625001
9120035213
1052636161
1127791366
12157648a9
13ab9c276
146dc23bb
15494ad76
hex3232a01

52636161 has 4 divisors (see below), whose sum is σ = 70181552. Its totient is φ = 35090772.

The previous prime is 52636159. The next prime is 52636219. The reversal of 52636161 is 16163625.

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 not a de Polignac number, because 52636161 - 21 = 52636159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52636141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8772691 + ... + 8772696.

It is an arithmetic number, because the mean of its divisors is an integer number (17545388).

Almost surely, 252636161 is an apocalyptic number.

It is an amenable number.

52636161 is a deficient number, since it is larger than the sum of its proper divisors (17545391).

52636161 is a wasteful number, since it uses less digits than its factorization.

52636161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545390.

The product of its digits is 6480, while the sum is 30.

The square root of 52636161 is about 7255.0782904115. The cubic root of 52636161 is about 374.7670517681.

Adding to 52636161 its reverse (16163625), we get a palindrome (68799786).

The spelling of 52636161 in words is "fifty-two million, six hundred thirty-six thousand, one hundred sixty-one".

Divisors: 1 3 17545387 52636161