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256027379 is a prime number
BaseRepresentation
bin11110100001010…
…10101011110011
3122211202112112112
433100222223303
51011020334004
641223315535
76226124336
oct1720525363
9584675475
10256027379
11121580183
12718abbab
1341072cba
142600861d
1517724e6e
hexf42aaf3

256027379 has 2 divisors, whose sum is σ = 256027380. Its totient is φ = 256027378.

The previous prime is 256027367. The next prime is 256027391. The reversal of 256027379 is 973720652.

It is a balanced prime because it is at equal distance from previous prime (256027367) and next prime (256027391).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-256027379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256027339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128013689 + 128013690.

It is an arithmetic number, because the mean of its divisors is an integer number (128013690).

Almost surely, 2256027379 is an apocalyptic number.

256027379 is a deficient number, since it is larger than the sum of its proper divisors (1).

256027379 is an equidigital number, since it uses as much as digits as its factorization.

256027379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 256027379 is about 16000.8555708750. The cubic root of 256027379 is about 634.9830561540.

The spelling of 256027379 in words is "two hundred fifty-six million, twenty-seven thousand, three hundred seventy-nine".