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56881067 = 3492467
BaseRepresentation
bin1101100011111…
…0111110101011
310222000212011012
43120332332223
5104030143232
65351054135
71260324005
oct330767653
9128025135
1056881067
112a120651
121707134b
13ba27449
1477a9375
154ed89b2
hex363efab

56881067 has 6 divisors (see below), whose sum is σ = 57166668. Its totient is φ = 56596632.

The previous prime is 56881051. The next prime is 56881087. The reversal of 56881067 is 76018865.

It is not a de Polignac number, because 56881067 - 24 = 56881051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56881007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121568 + ... + 122034.

It is an arithmetic number, because the mean of its divisors is an integer number (9527778).

Almost surely, 256881067 is an apocalyptic number.

56881067 is a deficient number, since it is larger than the sum of its proper divisors (285601).

56881067 is an frugal number, since it uses more digits than its factorization.

56881067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 56881067 is about 7541.9537919560. The cubic root of 56881067 is about 384.5822578638.

The spelling of 56881067 in words is "fifty-six million, eight hundred eighty-one thousand, sixty-seven".

Divisors: 1 349 467 121801 162983 56881067