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14556431 is a prime number
BaseRepresentation
bin110111100001…
…110100001111
31000101112200002
4313201310033
512211301211
61235554515
7234504401
oct67416417
930345602
1014556431
11824250a
124a5ba3b
133028796
141d0cb71
15142803b
hexde1d0f

14556431 has 2 divisors, whose sum is σ = 14556432. Its totient is φ = 14556430.

The previous prime is 14556427. The next prime is 14556439. The reversal of 14556431 is 13465541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14556431 - 22 = 14556427 is a prime.

It is a super-2 number, since 2×145564312 = 423779366915522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14556394 and 14556403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14556439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7278215 + 7278216.

It is an arithmetic number, because the mean of its divisors is an integer number (7278216).

Almost surely, 214556431 is an apocalyptic number.

14556431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14556431 is an equidigital number, since it uses as much as digits as its factorization.

14556431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 14556431 is about 3815.2891109325. The cubic root of 14556431 is about 244.1658764135.

The spelling of 14556431 in words is "fourteen million, five hundred fifty-six thousand, four hundred thirty-one".