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14427889 = 72061127
BaseRepresentation
bin110111000010…
…011011110001
31000011000100021
4313002123301
512143143024
61233123441
7233430550
oct67023361
930130307
1014427889
118164983
1249b9581
132cb2118
141cb7d97
1513eede4
hexdc26f1

14427889 has 4 divisors (see below), whose sum is σ = 16489024. Its totient is φ = 12366756.

The previous prime is 14427869. The next prime is 14427901. The reversal of 14427889 is 98872441.

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 not a de Polignac number, because 14427889 - 25 = 14427857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14427869) 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 3 ways as a sum of consecutive naturals, for example, 1030557 + ... + 1030570.

It is an arithmetic number, because the mean of its divisors is an integer number (4122256).

Almost surely, 214427889 is an apocalyptic number.

It is an amenable number.

14427889 is a deficient number, since it is larger than the sum of its proper divisors (2061135).

14427889 is an equidigital number, since it uses as much as digits as its factorization.

14427889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061134.

The product of its digits is 129024, while the sum is 43.

The square root of 14427889 is about 3798.4061130953. The cubic root of 14427889 is about 243.4450401395.

It can be divided in two parts, 144 and 27889, that multiplied together give a square (4016016 = 20042).

The spelling of 14427889 in words is "fourteen million, four hundred twenty-seven thousand, eight hundred eighty-nine".

Divisors: 1 7 2061127 14427889