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52297235231 = 291803352939
BaseRepresentation
bin110000101101001010…
…000111101100011111
311222222200110210221012
4300231022013230133
51324101043011411
640005223125435
73530655110363
oct605512075437
9158880423835
1052297235231
11201a747596a
12a1762a387b
134c15987607
14276187d2a3
1515613bc18b
hexc2d287b1f

52297235231 has 4 divisors (see below), whose sum is σ = 54100588200. Its totient is φ = 50493882264.

The previous prime is 52297235227. The next prime is 52297235233. The reversal of 52297235231 is 13253279225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52297235231 - 22 = 52297235227 is a prime.

It is a super-2 number, since 2×522972352312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52297235233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901676441 + ... + 901676498.

It is an arithmetic number, because the mean of its divisors is an integer number (13525147050).

Almost surely, 252297235231 is an apocalyptic number.

52297235231 is a deficient number, since it is larger than the sum of its proper divisors (1803352969).

52297235231 is a wasteful number, since it uses less digits than its factorization.

52297235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803352968.

The product of its digits is 226800, while the sum is 41.

The spelling of 52297235231 in words is "fifty-two billion, two hundred ninety-seven million, two hundred thirty-five thousand, two hundred thirty-one".

Divisors: 1 29 1803352939 52297235231