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14391669 = 36178643
BaseRepresentation
bin110110111001…
…100101110101
31000002011122210
4312321211311
512141013134
61232244033
7233220135
oct66714565
930064583
1014391669
11813a746
1249a0619
132c9b7a6
141ca8ac5
1513e42e9
hexdb9975

14391669 has 8 divisors (see below), whose sum is σ = 19503712. Its totient is φ = 9437040.

The previous prime is 14391661. The next prime is 14391679. The reversal of 14391669 is 96619341.

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

It is not a de Polignac number, because 14391669 - 23 = 14391661 is a prime.

It is a super-2 number, since 2×143916692 = 414240273211122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391661) 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, 39139 + ... + 39504.

It is an arithmetic number, because the mean of its divisors is an integer number (2437964).

Almost surely, 214391669 is an apocalyptic number.

It is an amenable number.

14391669 is a deficient number, since it is larger than the sum of its proper divisors (5112043).

14391669 is an equidigital number, since it uses as much as digits as its factorization.

14391669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78707.

The product of its digits is 34992, while the sum is 39.

The square root of 14391669 is about 3793.6353277562. The cubic root of 14391669 is about 243.2411533417.

The spelling of 14391669 in words is "fourteen million, three hundred ninety-one thousand, six hundred sixty-nine".

Divisors: 1 3 61 183 78643 235929 4797223 14391669