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56357223 = 3131445057
BaseRepresentation
bin1101011011111…
…1000101100111
310221001020120120
43112333011213
5103411412343
65331533023
71253012526
oct326770547
9127036516
1056357223
11298a301a
1216a5a173
13b8a2b90
1476b04bd
154e33683
hex35bf167

56357223 has 8 divisors (see below), whose sum is σ = 80923248. Its totient is φ = 34681344.

The previous prime is 56357209. The next prime is 56357239. The reversal of 56357223 is 32275365.

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

It is not a de Polignac number, because 56357223 - 24 = 56357207 is a prime.

It is a super-2 number, since 2×563572232 = 6352273168543458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56357263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722490 + ... + 722567.

It is an arithmetic number, because the mean of its divisors is an integer number (10115406).

Almost surely, 256357223 is an apocalyptic number.

56357223 is a deficient number, since it is larger than the sum of its proper divisors (24566025).

56357223 is a wasteful number, since it uses less digits than its factorization.

56357223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445073.

The product of its digits is 37800, while the sum is 33.

The square root of 56357223 is about 7507.1447967919. The cubic root of 56357223 is about 383.3980164740.

The spelling of 56357223 in words is "fifty-six million, three hundred fifty-seven thousand, two hundred twenty-three".

Divisors: 1 3 13 39 1445057 4335171 18785741 56357223