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52523013 = 3176116883
BaseRepresentation
bin1100100001011…
…1000000000101
310122211110000210
43020113000011
5101421214023
65113430033
71205303214
oct310270005
9118743023
1052523013
1127714354
121570b319
13ab5c90a
146d9307b
154927593
hex3217005

52523013 has 16 divisors (see below), whose sum is σ = 75370176. Its totient is φ = 32413440.

The previous prime is 52522993. The next prime is 52523027. The reversal of 52523013 is 31032525.

It is not a de Polignac number, because 52523013 - 26 = 52522949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52523063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5331 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (4710636).

Almost surely, 252523013 is an apocalyptic number.

It is an amenable number.

52523013 is a deficient number, since it is larger than the sum of its proper divisors (22847163).

52523013 is a wasteful number, since it uses less digits than its factorization.

52523013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16964.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 52523013 is about 7247.2762469772. The cubic root of 52523013 is about 374.4983229307.

Adding to 52523013 its reverse (31032525), we get a palindrome (83555538).

The spelling of 52523013 in words is "fifty-two million, five hundred twenty-three thousand, thirteen".

Divisors: 1 3 17 51 61 183 1037 3111 16883 50649 287011 861033 1029863 3089589 17507671 52523013