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14931109 is a prime number
BaseRepresentation
bin111000111101…
…010010100101
31001002120122001
4320331102211
512310243414
61252005301
7240624634
oct70752245
931076561
1014931109
118478a66
125000831
13312a19b
141da951b
15149e074
hexe3d4a5

14931109 has 2 divisors, whose sum is σ = 14931110. Its totient is φ = 14931108.

The previous prime is 14931097. The next prime is 14931149. The reversal of 14931109 is 90113941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 567009 = 3790^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 14931109 - 221 = 12833957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14931149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7465554 + 7465555.

It is an arithmetic number, because the mean of its divisors is an integer number (7465555).

Almost surely, 214931109 is an apocalyptic number.

It is an amenable number.

14931109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14931109 is an equidigital number, since it uses as much as digits as its factorization.

14931109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 14931109 is about 3864.0793211320. The cubic root of 14931109 is about 246.2430728037.

The spelling of 14931109 in words is "fourteen million, nine hundred thirty-one thousand, one hundred nine".