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14313891 = 34771297
BaseRepresentation
bin110110100110…
…100110100011
3222221012222010
4312212212203
512131021031
61230444003
7232444314
oct66464643
928835863
1014313891
118097269
124963603
132c72277
141c8860b
1513cb246
hexda69a3

14313891 has 4 divisors (see below), whose sum is σ = 19085192. Its totient is φ = 9542592.

The previous prime is 14313877. The next prime is 14313899. The reversal of 14313891 is 19831341.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14313891 - 29 = 14313379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14313899) 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 in 3 ways as a sum of consecutive naturals, for example, 2385646 + ... + 2385651.

It is an arithmetic number, because the mean of its divisors is an integer number (4771298).

Almost surely, 214313891 is an apocalyptic number.

14313891 is a deficient number, since it is larger than the sum of its proper divisors (4771301).

14313891 is an equidigital number, since it uses as much as digits as its factorization.

14313891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771300.

The product of its digits is 2592, while the sum is 30.

The square root of 14313891 is about 3783.3703228735. The cubic root of 14313891 is about 242.8021726467.

The spelling of 14313891 in words is "fourteen million, three hundred thirteen thousand, eight hundred ninety-one".

Divisors: 1 3 4771297 14313891