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14128727 = 14279901
BaseRepresentation
bin110101111001…
…011001010111
3222120210222012
4311321121113
512104104402
61222454435
7231043424
oct65713127
928523865
1014128727
117a80138
12489441b
132c08bc2
141c3ad4b
151391452
hexd79657

14128727 has 4 divisors (see below), whose sum is σ = 14140056. Its totient is φ = 14117400.

The previous prime is 14128711. The next prime is 14128733. The reversal of 14128727 is 72782141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14128727 - 24 = 14128711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14128693 and 14128702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14128747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (3535014).

Almost surely, 214128727 is an apocalyptic number.

14128727 is a deficient number, since it is larger than the sum of its proper divisors (11329).

14128727 is an equidigital number, since it uses as much as digits as its factorization.

14128727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11328.

The product of its digits is 6272, while the sum is 32.

The square root of 14128727 is about 3758.8198945946. The cubic root of 14128727 is about 241.7506652646.

The spelling of 14128727 in words is "fourteen million, one hundred twenty-eight thousand, seven hundred twenty-seven".

Divisors: 1 1427 9901 14128727