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14891 is a prime number
BaseRepresentation
bin11101000101011
3202102112
43220223
5434031
6152535
761262
oct35053
922375
1014891
1110208
12874b
136a16
1455d9
15462b
hex3a2b

14891 has 2 divisors, whose sum is σ = 14892. Its totient is φ = 14890.

The previous prime is 14887. The next prime is 14897. The reversal of 14891 is 19841.

14891 is nontrivially palindromic in base 4 and base 8.

It is a weak prime.

It is an emirp because it is prime and its reverse (19841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14891 - 22 = 14887 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 14891.

It is not a weakly prime, because it can be changed into another prime (14897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7445 + 7446.

It is an arithmetic number, because the mean of its divisors is an integer number (7446).

214891 is an apocalyptic number.

14891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14891 is an equidigital number, since it uses as much as digits as its factorization.

14891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 14891 is about 122.0286851523. The cubic root of 14891 is about 24.6022383228.

Subtracting 14891 from its reverse (19841), we obtain a triangular number (4950 = T99).

The spelling of 14891 in words is "fourteen thousand, eight hundred ninety-one".