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56246731 is a prime number
BaseRepresentation
bin1101011010010…
…0000111001011
310220211122000021
43112210013023
5103344343411
65325321311
71252042432
oct326440713
9126748007
1056246731
1129828002
1216a06237
13b8647b8
147682119
154e10a71
hex35a41cb

56246731 has 2 divisors, whose sum is σ = 56246732. Its totient is φ = 56246730.

The previous prime is 56246713. The next prime is 56246759. The reversal of 56246731 is 13764265.

It is a happy number.

56246731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (56246713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56246731 - 223 = 47858123 is a prime.

It is a super-2 number, since 2×562467312 = 6327389496372722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56246791) 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, 28123365 + 28123366.

It is an arithmetic number, because the mean of its divisors is an integer number (28123366).

Almost surely, 256246731 is an apocalyptic number.

56246731 is a deficient number, since it is larger than the sum of its proper divisors (1).

56246731 is an equidigital number, since it uses as much as digits as its factorization.

56246731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 56246731 is about 7499.7820635002. The cubic root of 56246731 is about 383.1472936366.

The spelling of 56246731 in words is "fifty-six million, two hundred forty-six thousand, seven hundred thirty-one".