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14678329 = 73201073
BaseRepresentation
bin110111111111…
…100100111001
31000121201212211
4313333210321
512224201304
61242335121
7235522651
oct67774471
930551784
1014678329
118316056
124aba4a1
13306c103
141d41361
15144e204
hexdff939

14678329 has 4 divisors (see below), whose sum is σ = 14879476. Its totient is φ = 14477184.

The previous prime is 14678311. The next prime is 14678333. The reversal of 14678329 is 92387641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92387641 = 574316087.

It can be written as a sum of positive squares in 2 ways, for example, as 7645225 + 7033104 = 2765^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 14678329 - 27 = 14678201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14678291 and 14678300.

It is not an unprimeable number, because it can be changed into a prime (14678309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100464 + ... + 100609.

It is an arithmetic number, because the mean of its divisors is an integer number (3719869).

Almost surely, 214678329 is an apocalyptic number.

It is an amenable number.

14678329 is a deficient number, since it is larger than the sum of its proper divisors (201147).

14678329 is an equidigital number, since it uses as much as digits as its factorization.

14678329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201146.

The product of its digits is 72576, while the sum is 40.

The square root of 14678329 is about 3831.2307422028. The cubic root of 14678329 is about 244.8455447409.

The spelling of 14678329 in words is "fourteen million, six hundred seventy-eight thousand, three hundred twenty-nine".

Divisors: 1 73 201073 14678329