Base | Representation |
---|---|
bin | 111001011011… |
… | …0101001000100 |
3 | 2002122122201120 |
4 | 1302312221010 |
5 | 30201430403 |
6 | 2553153540 |
7 | 513626043 |
oct | 162665104 |
9 | 62578646 |
10 | 30108228 |
11 | 15aa4837 |
12 | a0bb8b0 |
13 | 6312327 |
14 | 3dda55a |
15 | 299ae53 |
hex | 1cb6a44 |
30108228 has 24 divisors (see below), whose sum is σ = 70663488. Its totient is φ = 9977376.
The previous prime is 30108191. The next prime is 30108229. The reversal of 30108228 is 82280103.
It is a junction number, because it is equal to n+sod(n) for n = 30108198 and 30108207.
It is not an unprimeable number, because it can be changed into a prime (30108229) 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, 5176 + ... + 9327.
It is an arithmetic number, because the mean of its divisors is an integer number (2944312).
Almost surely, 230108228 is an apocalyptic number.
It is an amenable number.
30108228 is an abundant number, since it is smaller than the sum of its proper divisors (40555260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30108228 is a wasteful number, since it uses less digits than its factorization.
30108228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14683 (or 14681 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 30108228 is about 5487.0964999715. The cubic root of 30108228 is about 311.0964572274.
The spelling of 30108228 in words is "thirty million, one hundred eight thousand, two hundred twenty-eight".
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