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56811227 = 115164657
BaseRepresentation
bin1101100010110…
…1111011011011
310221220022100112
43120231323123
5104020424402
65345354535
71256613254
oct330557333
9127808315
1056811227
112a083130
1217038a4b
13ba01715
14778bb2b
154ec2e52
hex362dedb

56811227 has 4 divisors (see below), whose sum is σ = 61975896. Its totient is φ = 51646560.

The previous prime is 56811221. The next prime is 56811253. The reversal of 56811227 is 72211865.

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 56811227 - 210 = 56810203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56811193 and 56811202.

It is not an unprimeable number, because it can be changed into a prime (56811221) 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 3 ways as a sum of consecutive naturals, for example, 2582318 + ... + 2582339.

It is an arithmetic number, because the mean of its divisors is an integer number (15493974).

Almost surely, 256811227 is an apocalyptic number.

56811227 is a deficient number, since it is larger than the sum of its proper divisors (5164669).

56811227 is a wasteful number, since it uses less digits than its factorization.

56811227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164668.

The product of its digits is 6720, while the sum is 32.

The square root of 56811227 is about 7537.3222698781. The cubic root of 56811227 is about 384.4247934876.

The spelling of 56811227 in words is "fifty-six million, eight hundred eleven thousand, two hundred twenty-seven".

Divisors: 1 11 5164657 56811227