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52622881 = 263200087
BaseRepresentation
bin1100100010111…
…1011000100001
310200000112000121
43020233120201
5101432413011
65115520241
71206200323
oct310573041
9120015017
1052622881
1127782393
1215759081
13ab961cc
146dbb613
154946e71
hex322f621

52622881 has 4 divisors (see below), whose sum is σ = 52823232. Its totient is φ = 52422532.

The previous prime is 52622879. The next prime is 52622893. The reversal of 52622881 is 18822625.

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 52622881 - 21 = 52622879 is a prime.

It is a super-2 number, since 2×526228812 = 5538335209480322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52622821) 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, 99781 + ... + 100306.

It is an arithmetic number, because the mean of its divisors is an integer number (13205808).

Almost surely, 252622881 is an apocalyptic number.

It is an amenable number.

52622881 is a deficient number, since it is larger than the sum of its proper divisors (200351).

52622881 is a wasteful number, since it uses less digits than its factorization.

52622881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200350.

The product of its digits is 15360, while the sum is 34.

The square root of 52622881 is about 7254.1630116782. The cubic root of 52622881 is about 374.7355314535.

The spelling of 52622881 in words is "fifty-two million, six hundred twenty-two thousand, eight hundred eighty-one".

Divisors: 1 263 200087 52622881