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14031809 = 113141149
BaseRepresentation
bin110101100001…
…101111000001
3222101220000122
4311201233001
512043004214
61220430025
7230161031
oct65415701
928356018
1014031809
117a14340
124848315
132ba3a5c
141c138c1
15137288e
hexd61bc1

14031809 has 8 divisors (see below), whose sum is σ = 15801600. Its totient is φ = 12344400.

The previous prime is 14031791. The next prime is 14031811. The reversal of 14031809 is 90813041.

14031809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14031809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14031859) 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, 20234 + ... + 20915.

It is an arithmetic number, because the mean of its divisors is an integer number (1975200).

Almost surely, 214031809 is an apocalyptic number.

It is an amenable number.

14031809 is a deficient number, since it is larger than the sum of its proper divisors (1769791).

14031809 is a wasteful number, since it uses less digits than its factorization.

14031809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41191.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 14031809 is about 3745.9056314862. The cubic root of 14031809 is about 241.1966221944.

The spelling of 14031809 in words is "fourteen million, thirty-one thousand, eight hundred nine".

Divisors: 1 11 31 341 41149 452639 1275619 14031809