Base | Representation |
---|---|
bin | 111010110000… |
… | …0010010100100 |
3 | 2010221221220212 |
4 | 1311200102210 |
5 | 30341144413 |
6 | 3020114552 |
7 | 522551660 |
oct | 165402244 |
9 | 63857825 |
10 | 30803108 |
11 | 16429916 |
12 | a395a58 |
13 | 64c66bb |
14 | 413b8a0 |
15 | 2a86ca8 |
hex | 1d604a4 |
30803108 has 24 divisors (see below), whose sum is σ = 61740672. Its totient is φ = 13172544.
The previous prime is 30803107. The next prime is 30803111. The reversal of 30803108 is 80130803.
It is not an unprimeable number, because it can be changed into a prime (30803107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16385 + ... + 18167.
It is an arithmetic number, because the mean of its divisors is an integer number (2572528).
Almost surely, 230803108 is an apocalyptic number.
It is an amenable number.
30803108 is an abundant number, since it is smaller than the sum of its proper divisors (30937564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30803108 is a wasteful number, since it uses less digits than its factorization.
30803108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2411 (or 2409 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 30803108 is about 5550.0547745045. The cubic root of 30803108 is about 313.4715847831.
The spelling of 30803108 in words is "thirty million, eight hundred three thousand, one hundred eight".
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