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14809231 is a prime number
BaseRepresentation
bin111000011111…
…100010001111
31000212101110001
4320133202033
512242343411
61245225131
7236606413
oct70374217
930771401
1014809231
1183a5438
124b621a7
1330b6878
141d76d43
151477dc1
hexe1f88f

14809231 has 2 divisors, whose sum is σ = 14809232. Its totient is φ = 14809230.

The previous prime is 14809229. The next prime is 14809273. The reversal of 14809231 is 13290841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14809231 - 21 = 14809229 is a prime.

It is a super-2 number, since 2×148092312 = 438626645622722, which contains 22 as substring.

Together with 14809229, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14809231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14801231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7404615 + 7404616.

It is an arithmetic number, because the mean of its divisors is an integer number (7404616).

Almost surely, 214809231 is an apocalyptic number.

14809231 is a deficient number, since it is larger than the sum of its proper divisors (1).

14809231 is an equidigital number, since it uses as much as digits as its factorization.

14809231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 14809231 is about 3848.2763674144. The cubic root of 14809231 is about 245.5712396074.

The spelling of 14809231 in words is "fourteen million, eight hundred nine thousand, two hundred thirty-one".