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14128707 = 322720747
BaseRepresentation
bin110101111001…
…011001000011
3222120210221110
4311321121003
512104104312
61222454403
7231043365
oct65713103
928523843
1014128707
117a8011a
124894403
132c08ba8
141c3ad35
15139143c
hexd79643

14128707 has 8 divisors (see below), whose sum is σ = 18922176. Its totient is φ = 9377192.

The previous prime is 14128703. The next prime is 14128711. The reversal of 14128707 is 70782141.

It is an interprime number because it is at equal distance from previous prime (14128703) and next prime (14128711).

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

It is a cyclic number.

It is not a de Polignac number, because 14128707 - 22 = 14128703 is a prime.

It is a super-2 number, since 2×141287072 = 399240722983698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14128703) 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 7 ways as a sum of consecutive naturals, for example, 9693 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (2365272).

Almost surely, 214128707 is an apocalyptic number.

14128707 is a deficient number, since it is larger than the sum of its proper divisors (4793469).

14128707 is a wasteful number, since it uses less digits than its factorization.

14128707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20977.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 14128707 is about 3758.8172341842. The cubic root of 14128707 is about 241.7505511940.

The spelling of 14128707 in words is "fourteen million, one hundred twenty-eight thousand, seven hundred seven".

Divisors: 1 3 227 681 20747 62241 4709569 14128707