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56562331 = 78839151
BaseRepresentation
bin1101011111000…
…1001010011011
310221102122221011
43113301022123
5103434443311
65340154351
71254525520
oct327611233
9127378834
1056562331
1129a23131
1216b389b7
13b945347
147725147
154e74321
hex35f129b

56562331 has 8 divisors (see below), whose sum is σ = 64722944. Its totient is φ = 48421800.

The previous prime is 56562299. The next prime is 56562343. The reversal of 56562331 is 13326565.

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

It is not a de Polignac number, because 56562331 - 25 = 56562299 is a prime.

It is a super-2 number, since 2×565623312 = 6398594576307122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56562293 and 56562302.

It is not an unprimeable number, because it can be changed into a prime (56562391) 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, 1606 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (8090368).

Almost surely, 256562331 is an apocalyptic number.

56562331 is a deficient number, since it is larger than the sum of its proper divisors (8160613).

56562331 is an equidigital number, since it uses as much as digits as its factorization.

56562331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041.

The product of its digits is 16200, while the sum is 31.

The square root of 56562331 is about 7520.7932427371. The cubic root of 56562331 is about 383.8625697263.

Adding to 56562331 its reverse (13326565), we get a palindrome (69888896).

The spelling of 56562331 in words is "fifty-six million, five hundred sixty-two thousand, three hundred thirty-one".

Divisors: 1 7 883 6181 9151 64057 8080333 56562331