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56876189 is a prime number
BaseRepresentation
bin1101100011110…
…1110010011101
310222000121110112
43120331302131
5104030014224
65351015405
71260303536
oct330756235
9128017415
1056876189
112a117a17
121706a565
13ba25166
1477a768d
154ed730e
hex363dc9d

56876189 has 2 divisors, whose sum is σ = 56876190. Its totient is φ = 56876188.

The previous prime is 56876179. The next prime is 56876213. The reversal of 56876189 is 98167865.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 18992164 = 6155^2 + 4358^2 .

It is a cyclic number.

It is not a de Polignac number, because 56876189 - 28 = 56875933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56876119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28438094 + 28438095.

It is an arithmetic number, because the mean of its divisors is an integer number (28438095).

Almost surely, 256876189 is an apocalyptic number.

It is an amenable number.

56876189 is a deficient number, since it is larger than the sum of its proper divisors (1).

56876189 is an equidigital number, since it uses as much as digits as its factorization.

56876189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 56876189 is about 7541.6303940196. The cubic root of 56876189 is about 384.5712638959.

The spelling of 56876189 in words is "fifty-six million, eight hundred seventy-six thousand, one hundred eighty-nine".