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68274319 is a prime number
BaseRepresentation
bin1000001000111…
…00100010001111
311202110200202111
410010130202033
5114434234234
610435204451
71456215331
oct404344217
9152420674
1068274319
11355a2563
121aa46727
13111b6209
1490d3451
155ed9664
hex411c88f

68274319 has 2 divisors, whose sum is σ = 68274320. Its totient is φ = 68274318.

The previous prime is 68274263. The next prime is 68274337. The reversal of 68274319 is 91347286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68274319 - 27 = 68274191 is a prime.

It is a super-2 number, since 2×682743192 = 9322765269827522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68274719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34137159 + 34137160.

It is an arithmetic number, because the mean of its divisors is an integer number (34137160).

Almost surely, 268274319 is an apocalyptic number.

68274319 is a deficient number, since it is larger than the sum of its proper divisors (1).

68274319 is an equidigital number, since it uses as much as digits as its factorization.

68274319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 68274319 is about 8262.8275426757. The cubic root of 68274319 is about 408.7136343498.

The spelling of 68274319 in words is "sixty-eight million, two hundred seventy-four thousand, three hundred nineteen".