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14931901 is a prime number
BaseRepresentation
bin111000111101…
…011110111101
31001002121201101
4320331132331
512310310101
61252013101
7240630145
oct70753675
931077641
1014931901
118479616
125001191
13312a65a
141da9925
15149e401
hexe3d7bd

14931901 has 2 divisors, whose sum is σ = 14931902. Its totient is φ = 14931900.

The previous prime is 14931893. The next prime is 14931911. The reversal of 14931901 is 10913941.

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., 14707225 + 224676 = 3835^2 + 474^2 .

It is an emirp because it is prime and its reverse (10913941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14931901 - 23 = 14931893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14931901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14931911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7465950 + 7465951.

It is an arithmetic number, because the mean of its divisors is an integer number (7465951).

Almost surely, 214931901 is an apocalyptic number.

It is an amenable number.

14931901 is a deficient number, since it is larger than the sum of its proper divisors (1).

14931901 is an equidigital number, since it uses as much as digits as its factorization.

14931901 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 14931901 is about 3864.1818021413. The cubic root of 14931901 is about 246.2474266010.

The spelling of 14931901 in words is "fourteen million, nine hundred thirty-one thousand, nine hundred one".