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52266013 = 83629711
BaseRepresentation
bin1100011101100…
…0010000011101
310122100101111021
43013120100131
5101340003023
65104124141
71203153022
oct307302035
9118311437
1052266013
1127559258
1215606651
13aa9c947
146d27549
1548c635d
hex31d841d

52266013 has 4 divisors (see below), whose sum is σ = 52895808. Its totient is φ = 51636220.

The previous prime is 52266001. The next prime is 52266037. The reversal of 52266013 is 31066225.

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 52266013 - 29 = 52265501 is a prime.

It is a super-3 number, since 3×522660133 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52266043) 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, 314773 + ... + 314938.

It is an arithmetic number, because the mean of its divisors is an integer number (13223952).

Almost surely, 252266013 is an apocalyptic number.

It is an amenable number.

52266013 is a deficient number, since it is larger than the sum of its proper divisors (629795).

52266013 is an equidigital number, since it uses as much as digits as its factorization.

52266013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629794.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 52266013 is about 7229.5237049200. The cubic root of 52266013 is about 373.8865055454.

The spelling of 52266013 in words is "fifty-two million, two hundred sixty-six thousand, thirteen".

Divisors: 1 83 629711 52266013