Base | Representation |
---|---|
bin | 111001111110… |
… | …0100110100110 |
3 | 2010012012210222 |
4 | 1303330212212 |
5 | 30240113130 |
6 | 3003244342 |
7 | 516231356 |
oct | 163744646 |
9 | 63165728 |
10 | 30394790 |
11 | 16180068 |
12 | a2196b2 |
13 | 63b28aa |
14 | 4072b66 |
15 | 2a05ce5 |
hex | 1cfc9a6 |
30394790 has 16 divisors (see below), whose sum is σ = 55075680. Its totient is φ = 12076800.
The previous prime is 30394789. The next prime is 30394807. The reversal of 30394790 is 9749303.
It is a self number, because there is not a number n which added to its sum of digits gives 30394790.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8555 + ... + 11574.
It is an arithmetic number, because the mean of its divisors is an integer number (3442230).
Almost surely, 230394790 is an apocalyptic number.
30394790 is a deficient number, since it is larger than the sum of its proper divisors (24680890).
30394790 is a wasteful number, since it uses less digits than its factorization.
30394790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20287.
The product of its (nonzero) digits is 20412, while the sum is 35.
The square root of 30394790 is about 5513.1470141835. The cubic root of 30394790 is about 312.0803198317.
The spelling of 30394790 in words is "thirty million, three hundred ninety-four thousand, seven hundred ninety".
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