Base | Representation |
---|---|
bin | 111001111110… |
… | …0100000000001 |
3 | 2010012012020101 |
4 | 1303330200001 |
5 | 30240104434 |
6 | 3003242401 |
7 | 516230215 |
oct | 163744001 |
9 | 63165211 |
10 | 30394369 |
11 | 1617a815 |
12 | a219401 |
13 | 63b2645 |
14 | 4072945 |
15 | 2a05b14 |
hex | 1cfc801 |
30394369 has 4 divisors (see below), whose sum is σ = 30408880. Its totient is φ = 30379860.
The previous prime is 30394333. The next prime is 30394391. The reversal of 30394369 is 96349303.
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 a de Polignac number, because none of the positive numbers 2k-30394369 is a prime.
It is a super-2 number, since 2×303943692 = 1847635333816322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30394669) 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, 3447 + ... + 8524.
It is an arithmetic number, because the mean of its divisors is an integer number (7602220).
Almost surely, 230394369 is an apocalyptic number.
It is an amenable number.
30394369 is a deficient number, since it is larger than the sum of its proper divisors (14511).
30394369 is a wasteful number, since it uses less digits than its factorization.
30394369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14510.
The product of its (nonzero) digits is 52488, while the sum is 37.
The square root of 30394369 is about 5513.1088325916. The cubic root of 30394369 is about 312.0788789442.
The spelling of 30394369 in words is "thirty million, three hundred ninety-four thousand, three hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •