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14431 is a prime number
BaseRepresentation
bin11100001011111
3201210111
43201133
5430211
6150451
760034
oct34137
921714
1014431
11a92a
128427
136751
14538b
154421
hex385f

14431 has 2 divisors, whose sum is σ = 14432. Its totient is φ = 14430.

The previous prime is 14423. The next prime is 14437. The reversal of 14431 is 13441.

Adding to 14431 its reverse (13441), we get a palindrome (27872).

Subtracting from 14431 its reverse (13441), we obtain a triangular number (990 = T44).

It can be divided in two parts, 1443 and 1, that added together give a square (1444 = 382).

It is a strong prime.

It is an emirp because it is prime and its reverse (13441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14431 - 23 = 14423 is a prime.

It is a super-2 number, since 2×144312 = 416507522, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215 + 7216.

It is an arithmetic number, because the mean of its divisors is an integer number (7216).

214431 is an apocalyptic number.

14431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14431 is an equidigital number, since it uses as much as digits as its factorization.

14431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 13.

The square root of 14431 is about 120.1290972246. The cubic root of 14431 is about 24.3462536418.

The spelling of 14431 in words is "fourteen thousand, four hundred thirty-one".