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14680391 = 113143051
BaseRepresentation
bin111000000000…
…000101000111
31000121211201012
4320000011013
512224233031
61242352435
7235531655
oct70000507
930554635
1014680391
118317660
124abb71b
13307002b
141d41dd5
15144eb2b
hexe00147

14680391 has 8 divisors (see below), whose sum is σ = 16531968. Its totient is φ = 12915000.

The previous prime is 14680363. The next prime is 14680399. The reversal of 14680391 is 19308641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14680391 - 210 = 14679367 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 (14680399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21185 + ... + 21866.

It is an arithmetic number, because the mean of its divisors is an integer number (2066496).

Almost surely, 214680391 is an apocalyptic number.

14680391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14680391 is a deficient number, since it is larger than the sum of its proper divisors (1851577).

14680391 is a wasteful number, since it uses less digits than its factorization.

14680391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43093.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 14680391 is about 3831.4998368785. The cubic root of 14680391 is about 244.8570094399.

The spelling of 14680391 in words is "fourteen million, six hundred eighty thousand, three hundred ninety-one".

Divisors: 1 11 31 341 43051 473561 1334581 14680391