Base | Representation |
---|---|
bin | 111010110000… |
… | …0101101000110 |
3 | 2010222001020202 |
4 | 1311200231012 |
5 | 30341223211 |
6 | 3020130502 |
7 | 522556634 |
oct | 165405506 |
9 | 63861222 |
10 | 30804806 |
11 | 1643011a |
12 | a396a32 |
13 | 64c73c6 |
14 | 413c354 |
15 | 2a8753b |
hex | 1d60b46 |
30804806 has 4 divisors (see below), whose sum is σ = 46207212. Its totient is φ = 15402402.
The previous prime is 30804803. The next prime is 30804821. The reversal of 30804806 is 60840803.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30804803) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7701200 + ... + 7701203.
It is an arithmetic number, because the mean of its divisors is an integer number (11551803).
Almost surely, 230804806 is an apocalyptic number.
30804806 is a deficient number, since it is larger than the sum of its proper divisors (15402406).
30804806 is a wasteful number, since it uses less digits than its factorization.
30804806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15402405.
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 30804806 is about 5550.2077438597. The cubic root of 30804806 is about 313.4773446453.
The spelling of 30804806 in words is "thirty million, eight hundred four thousand, eight hundred six".
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