Base | Representation |
---|---|
bin | 111010110000… |
… | …1100110011010 |
3 | 2010222020021121 |
4 | 1311201212122 |
5 | 30341332344 |
6 | 3020155454 |
7 | 522603424 |
oct | 165414632 |
9 | 63866247 |
10 | 30808474 |
11 | 16432954 |
12 | a398b8a |
13 | 64c8c88 |
14 | 413d814 |
15 | 2a88684 |
hex | 1d6199a |
30808474 has 8 divisors (see below), whose sum is σ = 46236960. Its totient is φ = 15396156.
The previous prime is 30808439. The next prime is 30808489. The reversal of 30808474 is 47480803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3657 + ... + 8659.
It is an arithmetic number, because the mean of its divisors is an integer number (5779620).
Almost surely, 230808474 is an apocalyptic number.
30808474 is a deficient number, since it is larger than the sum of its proper divisors (15428486).
30808474 is a wasteful number, since it uses less digits than its factorization.
30808474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8084.
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 30808474 is about 5550.5381721055. The cubic root of 30808474 is about 313.4897863106.
The spelling of 30808474 in words is "thirty million, eight hundred eight thousand, four hundred seventy-four".
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