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14388009 = 36178623
BaseRepresentation
bin110110111000…
…101100101001
31000001222122020
4312320230221
512140404014
61232215053
7233203356
oct66705451
930058566
1014388009
118137a19
12499a489
132c99c1c
141ca762d
1513e31a9
hexdb8b29

14388009 has 8 divisors (see below), whose sum is σ = 19498752. Its totient is φ = 9434640.

The previous prime is 14387939. The next prime is 14388037. The reversal of 14388009 is 90088341.

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

It is a de Polignac number, because none of the positive numbers 2k-14388009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14388709) 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 7 ways as a sum of consecutive naturals, for example, 39129 + ... + 39494.

It is an arithmetic number, because the mean of its divisors is an integer number (2437344).

Almost surely, 214388009 is an apocalyptic number.

It is an amenable number.

14388009 is a deficient number, since it is larger than the sum of its proper divisors (5110743).

14388009 is an equidigital number, since it uses as much as digits as its factorization.

14388009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78687.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 14388009 is about 3793.1529101791. The cubic root of 14388009 is about 243.2205317330.

The spelling of 14388009 in words is "fourteen million, three hundred eighty-eight thousand, nine".

Divisors: 1 3 61 183 78623 235869 4796003 14388009