Search a number
-
+
52636872 = 2332718093
BaseRepresentation
bin1100100011001…
…0110011001000
310200001020012210
43020302303020
5101433334442
65120105120
71206256161
oct310626310
9120036183
1052636872
1127791952
12157651a0
13ab9c6a2
146dc2768
15494b19c
hex3232cc8

52636872 has 32 divisors (see below), whose sum is σ = 132094080. Its totient is φ = 17478720.

The previous prime is 52636861. The next prime is 52636873. The reversal of 52636872 is 27863625.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52636872.

It is not an unprimeable number, because it can be changed into a prime (52636873) 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 7 ways as a sum of consecutive naturals, for example, 2458 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (4127940).

Almost surely, 252636872 is an apocalyptic number.

It is an amenable number.

52636872 is an abundant number, since it is smaller than the sum of its proper divisors (79457208).

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

52636872 is a wasteful number, since it uses less digits than its factorization.

52636872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8373 (or 8369 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 52636872 is about 7255.1272904064. The cubic root of 52636872 is about 374.7687391896.

The spelling of 52636872 in words is "fifty-two million, six hundred thirty-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 271 542 813 1084 1626 2168 3252 6504 8093 16186 24279 32372 48558 64744 97116 194232 2193203 4386406 6579609 8772812 13159218 17545624 26318436 52636872