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14686393 is a prime number
BaseRepresentation
bin111000000001…
…100010111001
31000122010221111
4320001202321
512224431033
61242440321
7235555321
oct70014271
930563844
1014686393
118321117
124b030a1
133072997
141d44281
1514517cd
hexe018b9

14686393 has 2 divisors, whose sum is σ = 14686394. Its totient is φ = 14686392.

The previous prime is 14686391. The next prime is 14686423. The reversal of 14686393 is 39368641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7573504 + 7112889 = 2752^2 + 2667^2 .

It is a cyclic number.

It is not a de Polignac number, because 14686393 - 21 = 14686391 is a prime.

Together with 14686391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14686391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7343196 + 7343197.

It is an arithmetic number, because the mean of its divisors is an integer number (7343197).

Almost surely, 214686393 is an apocalyptic number.

It is an amenable number.

14686393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14686393 is an equidigital number, since it uses as much as digits as its factorization.

14686393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 14686393 is about 3832.2830010322. The cubic root of 14686393 is about 244.8903743899.

The spelling of 14686393 in words is "fourteen million, six hundred eighty-six thousand, three hundred ninety-three".