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14992891 is a prime number
BaseRepresentation
bin111001001100…
…010111111011
31001012201101021
4321030113323
512314233031
61253203311
7241303024
oct71142773
931181337
1014992891
118510421
125030537
13314c344
141dc3c4b
1514b2511
hexe4c5fb

14992891 has 2 divisors, whose sum is σ = 14992892. Its totient is φ = 14992890.

The previous prime is 14992889. The next prime is 14992897. The reversal of 14992891 is 19829941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14992891 - 21 = 14992889 is a prime.

Together with 14992889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14992897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7496445 + 7496446.

It is an arithmetic number, because the mean of its divisors is an integer number (7496446).

Almost surely, 214992891 is an apocalyptic number.

14992891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14992891 is an equidigital number, since it uses as much as digits as its factorization.

14992891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 14992891 is about 3872.0654694878. The cubic root of 14992891 is about 246.5822406062.

The spelling of 14992891 in words is "fourteen million, nine hundred ninety-two thousand, eight hundred ninety-one".