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52513113 = 3291494051
BaseRepresentation
bin1100100001010…
…0100101011001
310122210221110010
43020110211121
5101420404423
65113312133
71205232312
oct310244531
9118727403
1052513113
1127707974
1215705649
13ab58263
146d8d609
154924693
hex3214959

52513113 has 16 divisors (see below), whose sum is σ = 72936000. Its totient is φ = 33566400.

The previous prime is 52513099. The next prime is 52513121. The reversal of 52513113 is 31131525.

It is not a de Polignac number, because 52513113 - 25 = 52513081 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52513113.

It is not an unprimeable number, because it can be changed into a prime (52513133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10938 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (4558500).

Almost surely, 252513113 is an apocalyptic number.

It is an amenable number.

52513113 is a deficient number, since it is larger than the sum of its proper divisors (20422887).

52513113 is a wasteful number, since it uses less digits than its factorization.

52513113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232.

The product of its digits is 450, while the sum is 21.

The square root of 52513113 is about 7246.5931995663. The cubic root of 52513113 is about 374.4747918716.

Adding to 52513113 its reverse (31131525), we get a palindrome (83644638).

The spelling of 52513113 in words is "fifty-two million, five hundred thirteen thousand, one hundred thirteen".

Divisors: 1 3 29 87 149 447 4051 4321 12153 12963 117479 352437 603599 1810797 17504371 52513113