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56268889 is a prime number
BaseRepresentation
bin1101011010100…
…1100001011001
310220212202101221
43112221201121
5103401101024
65330012041
71252164145
oct326514131
9126782357
1056268889
1129842716
1216a17021
13b871901
14768a225
154e173e4
hex35a9859

56268889 has 2 divisors, whose sum is σ = 56268890. Its totient is φ = 56268888.

The previous prime is 56268871. The next prime is 56268893. The reversal of 56268889 is 98886265.

56268889 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., 52809289 + 3459600 = 7267^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 56268889 - 27 = 56268761 is a prime.

It is not a weakly prime, because it can be changed into another prime (56268809) 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, 28134444 + 28134445.

It is an arithmetic number, because the mean of its divisors is an integer number (28134445).

Almost surely, 256268889 is an apocalyptic number.

It is an amenable number.

56268889 is a deficient number, since it is larger than the sum of its proper divisors (1).

56268889 is an equidigital number, since it uses as much as digits as its factorization.

56268889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The square root of 56268889 is about 7501.2591609676. The cubic root of 56268889 is about 383.1975997492.

The spelling of 56268889 in words is "fifty-six million, two hundred sixty-eight thousand, eight hundred eighty-nine".