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52542855 = 3251975927
BaseRepresentation
bin1100100001101…
…1110110000111
310122212110020200
43020123312013
5101422332410
65114101543
71205415111
oct310336607
9118773220
1052542855
1127728252
121571a8b3
13ab68961
146d9a3b1
15492d3c0
hex321bd87

52542855 has 24 divisors (see below), whose sum is σ = 91552032. Its totient is φ = 27875904.

The previous prime is 52542839. The next prime is 52542857. The reversal of 52542855 is 55824525.

It is a happy number.

It is not a de Polignac number, because 52542855 - 24 = 52542839 is a prime.

It is a super-2 number, since 2×525428552 = 5521503223102050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5902 + ... + 11828.

It is an arithmetic number, because the mean of its divisors is an integer number (3814668).

Almost surely, 252542855 is an apocalyptic number.

52542855 is a deficient number, since it is larger than the sum of its proper divisors (39009177).

52542855 is a wasteful number, since it uses less digits than its factorization.

52542855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135 (or 6132 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 52542855 is about 7248.6450457999. The cubic root of 52542855 is about 374.5454759770.

The spelling of 52542855 in words is "fifty-two million, five hundred forty-two thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 15 45 197 591 985 1773 2955 5927 8865 17781 29635 53343 88905 266715 1167619 3502857 5838095 10508571 17514285 52542855