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14428517 = 67215351
BaseRepresentation
bin110111000010…
…100101100101
31000011001012112
4313002211211
512143203032
61233130405
7233432435
oct67024545
930131175
1014428517
1181653a4
1249b9a05
132cb24ac
141cb82c5
1514001b2
hexdc2965

14428517 has 4 divisors (see below), whose sum is σ = 14643936. Its totient is φ = 14213100.

The previous prime is 14428511. The next prime is 14428537. The reversal of 14428517 is 71582441.

It is a happy number.

14428517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14428517 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 (14428511) 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, 107609 + ... + 107742.

It is an arithmetic number, because the mean of its divisors is an integer number (3660984).

Almost surely, 214428517 is an apocalyptic number.

It is an amenable number.

14428517 is a deficient number, since it is larger than the sum of its proper divisors (215419).

14428517 is an equidigital number, since it uses as much as digits as its factorization.

14428517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215418.

The product of its digits is 8960, while the sum is 32.

The square root of 14428517 is about 3798.4887784486. The cubic root of 14428517 is about 243.4485722170.

The spelling of 14428517 in words is "fourteen million, four hundred twenty-eight thousand, five hundred seventeen".

Divisors: 1 67 215351 14428517