Base | Representation |
---|---|
bin | 111001111110… |
… | …0100110110110 |
3 | 2010012012211120 |
4 | 1303330212312 |
5 | 30240113211 |
6 | 3003244410 |
7 | 516231411 |
oct | 163744666 |
9 | 63165746 |
10 | 30394806 |
11 | 16180082 |
12 | a219706 |
13 | 63b28c0 |
14 | 4072b78 |
15 | 2a05d06 |
hex | 1cfc9b6 |
30394806 has 32 divisors (see below), whose sum is σ = 66866688. Its totient is φ = 9152160.
The previous prime is 30394789. The next prime is 30394807. The reversal of 30394806 is 60849303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30394807) 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, 480 + ... + 7811.
It is an arithmetic number, because the mean of its divisors is an integer number (2089584).
Almost surely, 230394806 is an apocalyptic number.
30394806 is an abundant number, since it is smaller than the sum of its proper divisors (36471882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30394806 is a wasteful number, since it uses less digits than its factorization.
30394806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8356.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 30394806 is about 5513.1484652601. The cubic root of 30394806 is about 312.0803745920.
The spelling of 30394806 in words is "thirty million, three hundred ninety-four thousand, eight hundred six".
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