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53363231 = 223239297
BaseRepresentation
bin1100101110010…
…0001000011111
310201102010120222
43023210020133
5102130110411
65143431555
71215402635
oct313441037
9121363528
1053363231
1128138649
1215a555bb
13b09519c
147131355
154a414db
hex32e421f

53363231 has 4 divisors (see below), whose sum is σ = 53602752. Its totient is φ = 53123712.

The previous prime is 53363207. The next prime is 53363237. The reversal of 53363231 is 13236335.

53363231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53363231 - 210 = 53362207 is a prime.

It is a super-2 number, since 2×533632312 = 5695268845518722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53363231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53363237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119426 + ... + 119871.

It is an arithmetic number, because the mean of its divisors is an integer number (13400688).

Almost surely, 253363231 is an apocalyptic number.

53363231 is a deficient number, since it is larger than the sum of its proper divisors (239521).

53363231 is a wasteful number, since it uses less digits than its factorization.

53363231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239520.

The product of its digits is 4860, while the sum is 26.

The square root of 53363231 is about 7305.0140999179. The cubic root of 53363231 is about 376.4847353671.

Adding to 53363231 its reverse (13236335), we get a palindrome (66599566).

The spelling of 53363231 in words is "fifty-three million, three hundred sixty-three thousand, two hundred thirty-one".

Divisors: 1 223 239297 53363231