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56876161 is a prime number
BaseRepresentation
bin1101100011110…
…1110010000001
310222000121102111
43120331302001
5104030014121
65351015321
71260303466
oct330756201
9128017374
1056876161
112a1179a1
121706a541
13ba25144
1477a766d
154ed72e1
hex363dc81

56876161 has 2 divisors, whose sum is σ = 56876162. Its totient is φ = 56876160.

The previous prime is 56876137. The next prime is 56876179. The reversal of 56876161 is 16167865.

56876161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 24443136 = 5695^2 + 4944^2 .

It is a cyclic number.

It is not a de Polignac number, because 56876161 - 217 = 56745089 is a prime.

It is not a weakly prime, because it can be changed into another prime (56876111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28438080 + 28438081.

It is an arithmetic number, because the mean of its divisors is an integer number (28438081).

Almost surely, 256876161 is an apocalyptic number.

It is an amenable number.

56876161 is a deficient number, since it is larger than the sum of its proper divisors (1).

56876161 is an equidigital number, since it uses as much as digits as its factorization.

56876161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 56876161 is about 7541.6285376568. The cubic root of 56876161 is about 384.5712007880.

It can be divided in two parts, 568 and 76161, that added together give a square (76729 = 2772).

The spelling of 56876161 in words is "fifty-six million, eight hundred seventy-six thousand, one hundred sixty-one".