Base | Representation |
---|---|
bin | 101100101100… |
… | …0001101111001 |
3 | 1122002100221010 |
4 | 1121120031321 |
5 | 21444230014 |
6 | 2154104133 |
7 | 403103031 |
oct | 131301571 |
9 | 48070833 |
10 | 23430009 |
11 | 12253349 |
12 | 7a1b049 |
13 | 4b14715 |
14 | 317c8c1 |
15 | 20cc359 |
hex | 1658379 |
23430009 has 8 divisors (see below), whose sum is σ = 31277952. Its totient is φ = 15601040.
The previous prime is 23429993. The next prime is 23430013. The reversal of 23430009 is 90003432.
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 23430009 - 24 = 23429993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23430049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 7019.
It is an arithmetic number, because the mean of its divisors is an integer number (3909744).
Almost surely, 223430009 is an apocalyptic number.
It is an amenable number.
23430009 is a deficient number, since it is larger than the sum of its proper divisors (7847943).
23430009 is an equidigital number, since it uses as much as digits as its factorization.
23430009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9487.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 23430009 is about 4840.4554537771. The cubic root of 23430009 is about 286.1480683072.
The spelling of 23430009 in words is "twenty-three million, four hundred thirty thousand, nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •