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14428929 = 34809643
BaseRepresentation
bin110111000010…
…101100000001
31000011001202210
4313002230001
512143211204
61233132333
7233433564
oct67025401
930131683
1014428929
118165739
1249ba0a9
132cb2738
141cb84db
151400389
hexdc2b01

14428929 has 4 divisors (see below), whose sum is σ = 19238576. Its totient is φ = 9619284.

The previous prime is 14428913. The next prime is 14428949. The reversal of 14428929 is 92982441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92982441 = 330994147.

It is not a de Polignac number, because 14428929 - 24 = 14428913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14428949) 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, 2404819 + ... + 2404824.

It is an arithmetic number, because the mean of its divisors is an integer number (4809644).

Almost surely, 214428929 is an apocalyptic number.

It is an amenable number.

14428929 is a deficient number, since it is larger than the sum of its proper divisors (4809647).

14428929 is an equidigital number, since it uses as much as digits as its factorization.

14428929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809646.

The product of its digits is 41472, while the sum is 39.

The square root of 14428929 is about 3798.5430101553. The cubic root of 14428929 is about 243.4508893841.

It can be divided in two parts, 14 and 428929, that multiplied together give a palindrome (6005006).

The spelling of 14428929 in words is "fourteen million, four hundred twenty-eight thousand, nine hundred twenty-nine".

Divisors: 1 3 4809643 14428929