Search a number
-
+
14891291 is a prime number
BaseRepresentation
bin111000110011…
…100100011011
31001000120000022
4320303210123
512303010131
61251101055
7240400562
oct70634433
931016008
1014891291
118451058
124ba178b
13311501c
141d98bd9
15149237b
hexe3391b

14891291 has 2 divisors, whose sum is σ = 14891292. Its totient is φ = 14891290.

The previous prime is 14891273. The next prime is 14891329. The reversal of 14891291 is 19219841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14891291 - 214 = 14874907 is a prime.

It is a Chen prime.

It is equal to p964169 and since 14891291 and 964169 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14891221) 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, 7445645 + 7445646.

It is an arithmetic number, because the mean of its divisors is an integer number (7445646).

Almost surely, 214891291 is an apocalyptic number.

14891291 is a deficient number, since it is larger than the sum of its proper divisors (1).

14891291 is an equidigital number, since it uses as much as digits as its factorization.

14891291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 35.

The square root of 14891291 is about 3858.9235545680. The cubic root of 14891291 is about 246.0239858076.

The spelling of 14891291 in words is "fourteen million, eight hundred ninety-one thousand, two hundred ninety-one".