Base | Representation |
---|---|
bin | 111001110011… |
… | …1011100010110 |
3 | 2010000210220220 |
4 | 1303213130112 |
5 | 30224324433 |
6 | 3001335210 |
7 | 515420601 |
oct | 163473426 |
9 | 63023826 |
10 | 30308118 |
11 | 16120a35 |
12 | a197506 |
13 | 63822c9 |
14 | 404d338 |
15 | 29da2b3 |
hex | 1ce7716 |
30308118 has 16 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 10093160.
The previous prime is 30308087. The next prime is 30308119. The reversal of 30308118 is 81180303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30308119) 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, 7903 + ... + 11093.
It is an arithmetic number, because the mean of its divisors is an integer number (3792096).
Almost surely, 230308118 is an apocalyptic number.
30308118 is an abundant number, since it is smaller than the sum of its proper divisors (30365418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30308118 is a wasteful number, since it uses less digits than its factorization.
30308118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4779.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 30308118 is about 5505.2809192629. The cubic root of 30308118 is about 311.7834007832.
The spelling of 30308118 in words is "thirty million, three hundred eight thousand, one hundred eighteen".
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