Base | Representation |
---|---|
bin | 111000011010… |
… | …100110010001 |
3 | 1000211100201002 |
4 | 320122212101 |
5 | 12241222014 |
6 | 1244551345 |
7 | 236463434 |
oct | 70324621 |
9 | 30740632 |
10 | 14789009 |
11 | 8391224 |
12 | 4b52555 |
13 | 30aa5c1 |
14 | 1d6d81b |
15 | 1471dde |
hex | e1a991 |
14789009 has 4 divisors (see below), whose sum is σ = 14799540. Its totient is φ = 14778480.
The previous prime is 14789003. The next prime is 14789017. The reversal of 14789009 is 90098741.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 12229009 + 2560000 = 3497^2 + 1600^2 .
It is a cyclic number.
It is not a de Polignac number, because 14789009 - 24 = 14788993 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (14789003) 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, 2762 + ... + 6099.
It is an arithmetic number, because the mean of its divisors is an integer number (3699885).
Almost surely, 214789009 is an apocalyptic number.
It is an amenable number.
14789009 is a deficient number, since it is larger than the sum of its proper divisors (10531).
14789009 is an equidigital number, since it uses as much as digits as its factorization.
14789009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10530.
The product of its (nonzero) digits is 18144, while the sum is 38.
The square root of 14789009 is about 3845.6480598203. The cubic root of 14789009 is about 245.4594128768.
The spelling of 14789009 in words is "fourteen million, seven hundred eighty-nine thousand, nine".
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