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52531123 = 59818783
BaseRepresentation
bin1100100001100…
…0111110110011
310122211212011011
43020120332303
5101421443443
65113531351
71205335651
oct310307663
9118755134
1052531123
112771a457
1215713b57
13ab63508
146d95dd1
154929b9d
hex3218fb3

52531123 has 4 divisors (see below), whose sum is σ = 52545888. Its totient is φ = 52516360.

The previous prime is 52531121. The next prime is 52531153. The reversal of 52531123 is 32113525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52531123 - 21 = 52531121 is a prime.

It is a super-2 number, since 2×525311232 = 5519037767282258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52531094 and 52531103.

It is not an unprimeable number, because it can be changed into a prime (52531121) 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, 1590 + ... + 10372.

It is an arithmetic number, because the mean of its divisors is an integer number (13136472).

Almost surely, 252531123 is an apocalyptic number.

52531123 is a deficient number, since it is larger than the sum of its proper divisors (14765).

52531123 is an equidigital number, since it uses as much as digits as its factorization.

52531123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14764.

The product of its digits is 900, while the sum is 22.

The square root of 52531123 is about 7247.8357459313. The cubic root of 52531123 is about 374.5175971810.

Adding to 52531123 its reverse (32113525), we get a palindrome (84644648).

The spelling of 52531123 in words is "fifty-two million, five hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 5981 8783 52531123