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14678945 = 523127643
BaseRepresentation
bin110111111111…
…101110100001
31000121202201122
4313333232201
512224211240
61242342025
7235524521
oct67775641
930552648
1014678945
118316566
124aba915
13306c488
141d41681
15144e4b5
hexdffba1

14678945 has 8 divisors (see below), whose sum is σ = 18380736. Its totient is φ = 11232496.

The previous prime is 14678941. The next prime is 14678947. The reversal of 14678945 is 54987641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14678945 - 22 = 14678941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14678896 and 14678905.

It is not an unprimeable number, because it can be changed into a prime (14678941) 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 7 ways as a sum of consecutive naturals, for example, 63707 + ... + 63936.

It is an arithmetic number, because the mean of its divisors is an integer number (2297592).

Almost surely, 214678945 is an apocalyptic number.

It is an amenable number.

14678945 is a deficient number, since it is larger than the sum of its proper divisors (3701791).

14678945 is a wasteful number, since it uses less digits than its factorization.

14678945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127671.

The product of its digits is 241920, while the sum is 44.

The square root of 14678945 is about 3831.3111332806. The cubic root of 14678945 is about 244.8489698071.

The spelling of 14678945 in words is "fourteen million, six hundred seventy-eight thousand, nine hundred forty-five".

Divisors: 1 5 23 115 127643 638215 2935789 14678945