Search a number
-
+
52156488 = 2338212647
BaseRepresentation
bin1100011011110…
…1100001001000
310122010211020210
43012331201020
5101323001423
65101521120
71202215506
oct306754110
9118124223
1052156488
1127493a3a
12155731a0
13aa61b37
146cd9676
1548a3b93
hex31bd848

52156488 has 32 divisors (see below), whose sum is σ = 130599360. Its totient is φ = 17357760.

The previous prime is 52156451. The next prime is 52156523. The reversal of 52156488 is 88465125.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18381 + ... + 21027.

It is an arithmetic number, because the mean of its divisors is an integer number (4081230).

Almost surely, 252156488 is an apocalyptic number.

It is an amenable number.

52156488 is an abundant number, since it is smaller than the sum of its proper divisors (78442872).

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

52156488 is a wasteful number, since it uses less digits than its factorization.

52156488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477 (or 3473 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 52156488 is about 7221.9448904018. The cubic root of 52156488 is about 373.6251594402.

The spelling of 52156488 in words is "fifty-two million, one hundred fifty-six thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 821 1642 2463 2647 3284 4926 5294 6568 7941 9852 10588 15882 19704 21176 31764 63528 2173187 4346374 6519561 8692748 13039122 17385496 26078244 52156488