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14894689 = 19783931
BaseRepresentation
bin111000110100…
…011001100001
31001000201200011
4320310121201
512303112224
61251124521
7240413515
oct70643141
931021604
1014894689
118453667
124ba3741
133116734
141d9a145
151493394
hexe34661

14894689 has 4 divisors (see below), whose sum is σ = 15678640. Its totient is φ = 14110740.

The previous prime is 14894681. The next prime is 14894699. The reversal of 14894689 is 98649841.

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 14894689 - 23 = 14894681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14894681) 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, 391947 + ... + 391984.

It is an arithmetic number, because the mean of its divisors is an integer number (3919660).

Almost surely, 214894689 is an apocalyptic number.

14894689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14894689 is a deficient number, since it is larger than the sum of its proper divisors (783951).

14894689 is an equidigital number, since it uses as much as digits as its factorization.

14894689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783950.

The product of its digits is 497664, while the sum is 49.

The square root of 14894689 is about 3859.3638076761. The cubic root of 14894689 is about 246.0426975482.

The spelling of 14894689 in words is "fourteen million, eight hundred ninety-four thousand, six hundred eighty-nine".

Divisors: 1 19 783931 14894689