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56560361 = 1121341877
BaseRepresentation
bin1101011111000…
…0101011101001
310221102120020012
43113300223221
5103434412421
65340141305
71254520004
oct327605351
9127376205
1056560361
1129a21700
1216b37835
13b944490
14772453b
154e7395b
hex35f0ae9

56560361 has 24 divisors (see below), whose sum is σ = 68663112. Its totient is φ = 46252800.

The previous prime is 56560331. The next prime is 56560363. The reversal of 56560361 is 16306565.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 55950400 = 781^2 + 7480^2 .

It is not a de Polignac number, because 56560361 - 26 = 56560297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56560363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64055 + ... + 64931.

It is an arithmetic number, because the mean of its divisors is an integer number (2860963).

Almost surely, 256560361 is an apocalyptic number.

It is an amenable number.

56560361 is a deficient number, since it is larger than the sum of its proper divisors (12102751).

56560361 is a wasteful number, since it uses less digits than its factorization.

56560361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 56560361 is about 7520.6622713695. The cubic root of 56560361 is about 383.8581131794.

The spelling of 56560361 in words is "fifty-six million, five hundred sixty thousand, three hundred sixty-one".

Divisors: 1 11 13 41 121 143 451 533 877 1573 4961 5863 9647 11401 35957 64493 106117 125411 395527 467441 1379521 4350797 5141851 56560361