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56270749 is a prime number
BaseRepresentation
bin1101011010100…
…1111110011101
310220212211221211
43112221332131
5103401130444
65330024421
71252202443
oct326517635
9126784854
1056270749
1129844057
1216a18111
13b872702
14768ab93
154e17c34
hex35a9f9d

56270749 has 2 divisors, whose sum is σ = 56270750. Its totient is φ = 56270748.

The previous prime is 56270741. The next prime is 56270777. The reversal of 56270749 is 94707265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55428025 + 842724 = 7445^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 56270749 - 23 = 56270741 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 (56270741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28135374 + 28135375.

It is an arithmetic number, because the mean of its divisors is an integer number (28135375).

Almost surely, 256270749 is an apocalyptic number.

It is an amenable number.

56270749 is a deficient number, since it is larger than the sum of its proper divisors (1).

56270749 is an equidigital number, since it uses as much as digits as its factorization.

56270749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 56270749 is about 7501.3831391284. The cubic root of 56270749 is about 383.2018219739.

The spelling of 56270749 in words is "fifty-six million, two hundred seventy thousand, seven hundred forty-nine".