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56896729 is a prime number
BaseRepresentation
bin1101100100001…
…0110011011001
310222001122122021
43121002303121
5104031143404
65351254441
71260420451
oct331026331
9128048567
1056896729
112a13139a
121707a421
13ba31606
1477b0d61
154edd454
hex3642cd9

56896729 has 2 divisors, whose sum is σ = 56896730. Its totient is φ = 56896728.

The previous prime is 56896717. The next prime is 56896769. The reversal of 56896729 is 92769865.

It is a happy number.

56896729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51265600 + 5631129 = 7160^2 + 2373^2 .

It is a cyclic number.

It is not a de Polignac number, because 56896729 - 211 = 56894681 is a prime.

It is not a weakly prime, because it can be changed into another prime (56896769) 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, 28448364 + 28448365.

It is an arithmetic number, because the mean of its divisors is an integer number (28448365).

Almost surely, 256896729 is an apocalyptic number.

It is an amenable number.

56896729 is a deficient number, since it is larger than the sum of its proper divisors (1).

56896729 is an equidigital number, since it uses as much as digits as its factorization.

56896729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 56896729 is about 7542.9920456010. The cubic root of 56896729 is about 384.6175524114.

The spelling of 56896729 in words is "fifty-six million, eight hundred ninety-six thousand, seven hundred twenty-nine".