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14743891 is a prime number
BaseRepresentation
bin111000001111…
…100101010011
31000202001211001
4320033211103
512233301031
61244002431
7236215051
oct70174523
930661731
1014743891
118360338
124b30417
133092bc6
141d5b1d1
151463861
hexe0f953

14743891 has 2 divisors, whose sum is σ = 14743892. Its totient is φ = 14743890.

The previous prime is 14743847. The next prime is 14743933. The reversal of 14743891 is 19834741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14743891 - 27 = 14743763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14743891.

It is not a weakly prime, because it can be changed into another prime (14743831) 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, 7371945 + 7371946.

It is an arithmetic number, because the mean of its divisors is an integer number (7371946).

Almost surely, 214743891 is an apocalyptic number.

14743891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14743891 is an equidigital number, since it uses as much as digits as its factorization.

14743891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 14743891 is about 3839.7774675103. Note that the first 3 decimals coincide. The cubic root of 14743891 is about 245.2095444552.

The spelling of 14743891 in words is "fourteen million, seven hundred forty-three thousand, eight hundred ninety-one".