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14997331 is a prime number
BaseRepresentation
bin111001001101…
…011101010011
31001012221110201
4321031131103
512314403311
61253240031
7241321666
oct71153523
931187421
1014997331
118513798
125033017
13315137b
141dc56dd
1514b39c1
hexe4d753

14997331 has 2 divisors, whose sum is σ = 14997332. Its totient is φ = 14997330.

The previous prime is 14997319. The next prime is 14997341. The reversal of 14997331 is 13379941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14997331 - 25 = 14997299 is a prime.

It is a super-2 number, since 2×149973312 = 449839874247122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14997341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7498665 + 7498666.

It is an arithmetic number, because the mean of its divisors is an integer number (7498666).

Almost surely, 214997331 is an apocalyptic number.

14997331 is a deficient number, since it is larger than the sum of its proper divisors (1).

14997331 is an equidigital number, since it uses as much as digits as its factorization.

14997331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 14997331 is about 3872.6387644602. The cubic root of 14997331 is about 246.6065791876.

The spelling of 14997331 in words is "fourteen million, nine hundred ninety-seven thousand, three hundred thirty-one".