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255000979 is a prime number
BaseRepresentation
bin11110011001100…
…00000110010011
3122202211101120201
433030300012103
51010240012404
641145320031
76214321042
oct1714600623
9582741521
10255000979
11120a3a012
1271496017
1340aa3a6c
1425c1c559
15175c0ca4
hexf330193

255000979 has 2 divisors, whose sum is σ = 255000980. Its totient is φ = 255000978.

The previous prime is 255000961. The next prime is 255000997. The reversal of 255000979 is 979000552.

Together with next prime (255000997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (255000961) and next prime (255000997).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255000979 is a prime.

It is not a weakly prime, because it can be changed into another prime (255000959) 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, 127500489 + 127500490.

It is an arithmetic number, because the mean of its divisors is an integer number (127500490).

Almost surely, 2255000979 is an apocalyptic number.

255000979 is a deficient number, since it is larger than the sum of its proper divisors (1).

255000979 is an equidigital number, since it uses as much as digits as its factorization.

255000979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 255000979 is about 15968.7500763209. The cubic root of 255000979 is about 634.1333820614.

The spelling of 255000979 in words is "two hundred fifty-five million, nine hundred seventy-nine", and thus it is an aban number.