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14643131 is a prime number
BaseRepresentation
bin110111110110…
…111110111011
31000112221121012
4313312332323
512222040011
61241504135
7235315226
oct67667673
930487535
1014643131
1182a1668
124aa204b
133059099
141d325bd
151443a8b
hexdf6fbb

14643131 has 2 divisors, whose sum is σ = 14643132. Its totient is φ = 14643130.

The previous prime is 14643107. The next prime is 14643149. The reversal of 14643131 is 13134641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14643131 - 210 = 14642107 is a prime.

It is a super-2 number, since 2×146431312 = 428842570966322, 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 = 14643097 and 14643106.

It is not a weakly prime, because it can be changed into another prime (14633131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7321565 + 7321566.

It is an arithmetic number, because the mean of its divisors is an integer number (7321566).

Almost surely, 214643131 is an apocalyptic number.

14643131 is a deficient number, since it is larger than the sum of its proper divisors (1).

14643131 is an equidigital number, since it uses as much as digits as its factorization.

14643131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 14643131 is about 3826.6344220477. The cubic root of 14643131 is about 244.6496784116.

Adding to 14643131 its reverse (13134641), we get a palindrome (27777772).

The spelling of 14643131 in words is "fourteen million, six hundred forty-three thousand, one hundred thirty-one".