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14855689 = 25395851
BaseRepresentation
bin111000101010…
…111000001001
31000221202011201
4320222320021
512300340224
61250224201
7240162022
oct70527011
930852151
1014855689
118427332
124b85061
133101a64
141d89c49
151486a44
hexe2ae09

14855689 has 4 divisors (see below), whose sum is σ = 14864080. Its totient is φ = 14847300.

The previous prime is 14855681. The next prime is 14855693. The reversal of 14855689 is 98655841.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14855689 - 23 = 14855681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14855681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (3716020).

Almost surely, 214855689 is an apocalyptic number.

It is an amenable number.

14855689 is a deficient number, since it is larger than the sum of its proper divisors (8391).

14855689 is an equidigital number, since it uses as much as digits as its factorization.

14855689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390.

The product of its digits is 345600, while the sum is 46.

The square root of 14855689 is about 3854.3078496664. The cubic root of 14855689 is about 245.8277651776.

The spelling of 14855689 in words is "fourteen million, eight hundred fifty-five thousand, six hundred eighty-nine".

Divisors: 1 2539 5851 14855689