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14312891 = 73892203
BaseRepresentation
bin110110100110…
…010110111011
3222221011121002
4312212112323
512131003031
61230435215
7232441355
oct66462673
928834532
1014312891
11809653a
124962b0b
132c71988
141c880d5
1513caccb
hexda65bb

14312891 has 8 divisors (see below), whose sum is σ = 14678640. Its totient is φ = 13951872.

The previous prime is 14312873. The next prime is 14312897. The reversal of 14312891 is 19821341.

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 14312891 - 210 = 14311867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14312897) 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, 5396 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (1834830).

Almost surely, 214312891 is an apocalyptic number.

14312891 is a deficient number, since it is larger than the sum of its proper divisors (365749).

14312891 is an equidigital number, since it uses as much as digits as its factorization.

14312891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its digits is 1728, while the sum is 29.

The square root of 14312891 is about 3783.2381632670. The cubic root of 14312891 is about 242.7965182832.

The spelling of 14312891 in words is "fourteen million, three hundred twelve thousand, eight hundred ninety-one".

Divisors: 1 73 89 2203 6497 160819 196067 14312891