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256060787 is a prime number
BaseRepresentation
bin11110100001100…
…10110101110011
3122211211020100212
433100302311303
51011022421122
641224134335
76226323623
oct1720626563
9584736325
10256060787
111215a3294
12719073ab
1341085278
1426016883
151772ece2
hexf432d73

256060787 has 2 divisors, whose sum is σ = 256060788. Its totient is φ = 256060786.

The previous prime is 256060759. The next prime is 256060793. The reversal of 256060787 is 787060652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256060787 - 26 = 256060723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256060487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128030393 + 128030394.

It is an arithmetic number, because the mean of its divisors is an integer number (128030394).

Almost surely, 2256060787 is an apocalyptic number.

256060787 is a deficient number, since it is larger than the sum of its proper divisors (1).

256060787 is an equidigital number, since it uses as much as digits as its factorization.

256060787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 256060787 is about 16001.8994809991. The cubic root of 256060787 is about 635.0106737619.

The spelling of 256060787 in words is "two hundred fifty-six million, sixty thousand, seven hundred eighty-seven".