Base | Representation |
---|---|
bin | 111001010011… |
… | …0111101101101 |
3 | 2002112101122020 |
4 | 1302212331231 |
5 | 30142402023 |
6 | 2551540353 |
7 | 513240606 |
oct | 162467555 |
9 | 62471566 |
10 | 30044013 |
11 | 15a6056a |
12 | a08a6b9 |
13 | 62bc02c |
14 | 3dc0dad |
15 | 2986de3 |
hex | 1ca6f6d |
30044013 has 4 divisors (see below), whose sum is σ = 40058688. Its totient is φ = 20029340.
The previous prime is 30043999. The next prime is 30044033. The reversal of 30044013 is 31044003.
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 30044013 - 214 = 30027629 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30043983 and 30044001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30044033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5007333 + ... + 5007338.
It is an arithmetic number, because the mean of its divisors is an integer number (10014672).
Almost surely, 230044013 is an apocalyptic number.
It is an amenable number.
30044013 is a deficient number, since it is larger than the sum of its proper divisors (10014675).
30044013 is a wasteful number, since it uses less digits than its factorization.
30044013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10014674.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30044013 is about 5481.2419213167. The cubic root of 30044013 is about 310.8751303723.
Adding to 30044013 its reverse (31044003), we get a palindrome (61088016).
The spelling of 30044013 in words is "thirty million, forty-four thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •