Base | Representation |
---|---|
bin | 111010111110… |
… | …0110101110010 |
3 | 2011011220100001 |
4 | 1311330311302 |
5 | 30403420200 |
6 | 3022420214 |
7 | 523546630 |
oct | 165746562 |
9 | 64156301 |
10 | 30920050 |
11 | 164a9767 |
12 | a43166a |
13 | 65379b5 |
14 | 416c350 |
15 | 2aab76a |
hex | 1d7cd72 |
30920050 has 72 divisors (see below), whose sum is σ = 69120576. Its totient is φ = 10079520.
The previous prime is 30920017. The next prime is 30920069. The reversal of 30920050 is 5002903.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 185067 + ... + 185233.
It is an arithmetic number, because the mean of its divisors is an integer number (960008).
Almost surely, 230920050 is an apocalyptic number.
30920050 is an abundant number, since it is smaller than the sum of its proper divisors (38200526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30920050 is a wasteful number, since it uses less digits than its factorization.
30920050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232 (or 204 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 30920050 is about 5560.5800057188. The cubic root of 30920050 is about 313.8677753424.
Adding to 30920050 its reverse (5002903), we get a palindrome (35922953).
The spelling of 30920050 in words is "thirty million, nine hundred twenty thousand, fifty".
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