Base | Representation |
---|---|
bin | 111001111110… |
… | …0101011100100 |
3 | 2010012020020202 |
4 | 1303330223210 |
5 | 30240120413 |
6 | 3003250032 |
7 | 516232322 |
oct | 163745344 |
9 | 63166222 |
10 | 30395108 |
11 | 16180327 |
12 | a219918 |
13 | 63b2a93 |
14 | 4072d12 |
15 | 2a05e58 |
hex | 1cfcae4 |
30395108 has 12 divisors (see below), whose sum is σ = 53346300. Its totient is φ = 15153312.
The previous prime is 30395107. The next prime is 30395111. The reversal of 30395108 is 80159303.
It can be written as a sum of positive squares in 2 ways, for example, as 12687844 + 17707264 = 3562^2 + 4208^2 .
It is not an unprimeable number, because it can be changed into a prime (30395107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9491 + ... + 12282.
It is an arithmetic number, because the mean of its divisors is an integer number (4445525).
Almost surely, 230395108 is an apocalyptic number.
It is an amenable number.
30395108 is a deficient number, since it is larger than the sum of its proper divisors (22951192).
30395108 is a wasteful number, since it uses less digits than its factorization.
30395108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22126 (or 22124 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 30395108 is about 5513.1758542604. The cubic root of 30395108 is about 312.0814081892.
It can be divided in two parts, 30395 and 108, that added together give a palindrome (30503).
The spelling of 30395108 in words is "thirty million, three hundred ninety-five thousand, one hundred eight".
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