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14130079 = 31455809
BaseRepresentation
bin110101111001…
…101110011111
3222120212211021
4311321232133
512104130304
61222505011
7231050365
oct65715637
928525737
1014130079
117a81157
124895167
132c096c2
141c3b635
151391a54
hexd79b9f

14130079 has 4 divisors (see below), whose sum is σ = 14585920. Its totient is φ = 13674240.

The previous prime is 14130049. The next prime is 14130097. The reversal of 14130079 is 97003141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97003141 = 432255887.

It is a cyclic number.

It is not a de Polignac number, because 14130079 - 221 = 12032927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227874 + ... + 227935.

It is an arithmetic number, because the mean of its divisors is an integer number (3646480).

Almost surely, 214130079 is an apocalyptic number.

14130079 is a deficient number, since it is larger than the sum of its proper divisors (455841).

14130079 is an equidigital number, since it uses as much as digits as its factorization.

14130079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455840.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 14130079 is about 3758.9997339718. Note that the first 3 decimals coincide. The cubic root of 14130079 is about 241.7583761852.

The spelling of 14130079 in words is "fourteen million, one hundred thirty thousand, seventy-nine".

Divisors: 1 31 455809 14130079