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255270979 is a prime number
BaseRepresentation
bin11110011011100…
…10000001000011
3122210100002221201
433031302001003
51010322132404
641155202031
76216524155
oct1715620103
9583302851
10255270979
11121103957
12715a6317
1340b69922
1425c8cad5
1517625ca4
hexf372043

255270979 has 2 divisors, whose sum is σ = 255270980. Its totient is φ = 255270978.

The previous prime is 255270941. The next prime is 255271007. The reversal of 255270979 is 979072552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255270979 - 29 = 255270467 is a prime.

It is not a weakly prime, because it can be changed into another prime (255270679) 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, 127635489 + 127635490.

It is an arithmetic number, because the mean of its divisors is an integer number (127635490).

Almost surely, 2255270979 is an apocalyptic number.

255270979 is a deficient number, since it is larger than the sum of its proper divisors (1).

255270979 is an equidigital number, since it uses as much as digits as its factorization.

255270979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 255270979 is about 15977.2018513881. The cubic root of 255270979 is about 634.3571140387.

The spelling of 255270979 in words is "two hundred fifty-five million, two hundred seventy thousand, nine hundred seventy-nine".