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14043081 = 313397907
BaseRepresentation
bin110101100100…
…011111001001
3222102110111010
4311210133021
512043334311
61220554133
7230235633
oct65443711
928373433
1014043081
117a21858
124852949
132ba8c20
141c17a53
151375da6
hexd647c9

14043081 has 16 divisors (see below), whose sum is σ = 20237504. Its totient is φ = 8610624.

The previous prime is 14043067. The next prime is 14043089. The reversal of 14043081 is 18034041.

It is not a de Polignac number, because 14043081 - 25 = 14043049 is a prime.

It is a super-2 number, since 2×140430812 = 394416247945122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14043089) 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 15 ways as a sum of consecutive naturals, for example, 15030 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (1264844).

Almost surely, 214043081 is an apocalyptic number.

It is an amenable number.

14043081 is a deficient number, since it is larger than the sum of its proper divisors (6194423).

14043081 is a wasteful number, since it uses less digits than its factorization.

14043081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 14043081 is about 3747.4099055214. The cubic root of 14043081 is about 241.2611907433.

The spelling of 14043081 in words is "fourteen million, forty-three thousand, eighty-one".

Divisors: 1 3 13 39 397 907 1191 2721 5161 11791 15483 35373 360079 1080237 4681027 14043081