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14306431 is a prime number
BaseRepresentation
bin110110100100…
…110001111111
3222220211201211
4312210301333
512130301211
61230345251
7232413466
oct66446177
928824654
1014306431
1180916a7
12495b227
132c6ba59
141c859dd
1513c8e21
hexda4c7f

14306431 has 2 divisors, whose sum is σ = 14306432. Its totient is φ = 14306430.

The previous prime is 14306399. The next prime is 14306441. The reversal of 14306431 is 13460341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14306431 - 25 = 14306399 is a prime.

It is a super-2 number, since 2×143064312 = 409347935915522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14306441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7153215 + 7153216.

It is an arithmetic number, because the mean of its divisors is an integer number (7153216).

Almost surely, 214306431 is an apocalyptic number.

14306431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14306431 is an equidigital number, since it uses as much as digits as its factorization.

14306431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 14306431 is about 3782.3843009403. The cubic root of 14306431 is about 242.7599847476.

Adding to 14306431 its reverse (13460341), we get a palindrome (27766772).

The spelling of 14306431 in words is "fourteen million, three hundred six thousand, four hundred thirty-one".