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13768291 is a prime number
BaseRepresentation
bin110100100001…
…011001100011
3221220111112201
4310201121203
512011041131
61211034031
7225012535
oct64413143
927814481
1013768291
117854359
12473b917
132b10b24
141b85855
15131e761
hexd21663

13768291 has 2 divisors, whose sum is σ = 13768292. Its totient is φ = 13768290.

The previous prime is 13768267. The next prime is 13768303. The reversal of 13768291 is 19286731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13768291 - 27 = 13768163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13768291.

It is not a weakly prime, because it can be changed into another prime (13768201) 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, 6884145 + 6884146.

It is an arithmetic number, because the mean of its divisors is an integer number (6884146).

Almost surely, 213768291 is an apocalyptic number.

13768291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13768291 is an equidigital number, since it uses as much as digits as its factorization.

13768291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 13768291 is about 3710.5647818088. The cubic root of 13768291 is about 239.6771759176.

The spelling of 13768291 in words is "thirteen million, seven hundred sixty-eight thousand, two hundred ninety-one".