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52010231 = 713571541
BaseRepresentation
bin1100011001100…
…1110011110111
310121212101121212
43012121303313
5101303311411
65054432035
71201036220
oct306316367
9117771555
1052010231
11273a4069
121550261b
13aa103b0
146c9c247
15487568b
hex3199cf7

52010231 has 8 divisors (see below), whose sum is σ = 64012704. Its totient is φ = 41150880.

The previous prime is 52010227. The next prime is 52010243. The reversal of 52010231 is 13201025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52010231 - 22 = 52010227 is a prime.

It is a super-2 number, since 2×520102312 = 5410128257346722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52010731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285680 + ... + 285861.

It is an arithmetic number, because the mean of its divisors is an integer number (8001588).

Almost surely, 252010231 is an apocalyptic number.

52010231 is a deficient number, since it is larger than the sum of its proper divisors (12002473).

52010231 is a wasteful number, since it uses less digits than its factorization.

52010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571561.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 52010231 is about 7211.8119082516. The cubic root of 52010231 is about 373.2755931288.

Adding to 52010231 its reverse (13201025), we get a palindrome (65211256).

The spelling of 52010231 in words is "fifty-two million, ten thousand, two hundred thirty-one".

Divisors: 1 7 13 91 571541 4000787 7430033 52010231