Search a number
-
+
14923391 = 72304559
BaseRepresentation
bin111000111011…
…011001111111
31001002012001012
4320323121333
512310022031
61251505435
7240563300
oct70733177
931065035
1014923391
11847318a
124bb827b
133126812
141da67a7
15149bb2b
hexe3b67f

14923391 has 6 divisors (see below), whose sum is σ = 17359920. Its totient is φ = 12791436.

The previous prime is 14923373. The next prime is 14923411. The reversal of 14923391 is 19332941.

It is not a de Polignac number, because 14923391 - 26 = 14923327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14923351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152231 + ... + 152328.

It is an arithmetic number, because the mean of its divisors is an integer number (2893320).

Almost surely, 214923391 is an apocalyptic number.

14923391 is a deficient number, since it is larger than the sum of its proper divisors (2436529).

14923391 is an equidigital number, since it uses as much as digits as its factorization.

14923391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304573 (or 304566 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 14923391 is about 3863.0805065388. The cubic root of 14923391 is about 246.2006372063.

The spelling of 14923391 in words is "fourteen million, nine hundred twenty-three thousand, three hundred ninety-one".

Divisors: 1 7 49 304559 2131913 14923391