Base | Representation |
---|---|
bin | 111001111110… |
… | …0011111000001 |
3 | 2010012012011000 |
4 | 1303330133001 |
5 | 30240104210 |
6 | 3003242213 |
7 | 516230064 |
oct | 163743701 |
9 | 63165130 |
10 | 30394305 |
11 | 1617a767 |
12 | a219369 |
13 | 63b25c6 |
14 | 40728db |
15 | 2a05ac0 |
hex | 1cfc7c1 |
30394305 has 16 divisors (see below), whose sum is σ = 54034560. Its totient is φ = 16210224.
The previous prime is 30394303. The next prime is 30394321. The reversal of 30394305 is 50349303.
It is not a de Polignac number, because 30394305 - 21 = 30394303 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30394303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112437 + ... + 112706.
It is an arithmetic number, because the mean of its divisors is an integer number (3377160).
Almost surely, 230394305 is an apocalyptic number.
It is an amenable number.
30394305 is a deficient number, since it is larger than the sum of its proper divisors (23640255).
30394305 is a wasteful number, since it uses less digits than its factorization.
30394305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225157 (or 225151 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 27.
The square root of 30394305 is about 5513.1030282410. The cubic root of 30394305 is about 312.0786599007.
The spelling of 30394305 in words is "thirty million, three hundred ninety-four thousand, three hundred five".
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