Base | Representation |
---|---|
bin | 111001110011… |
… | …1111101101010 |
3 | 2010000220211212 |
4 | 1303213331222 |
5 | 30224412000 |
6 | 3001353122 |
7 | 515430035 |
oct | 163477552 |
9 | 63026755 |
10 | 30310250 |
11 | 161225a3 |
12 | a1987a2 |
13 | 6383279 |
14 | 405001c |
15 | 29dac35 |
hex | 1ce7f6a |
30310250 has 32 divisors (see below), whose sum is σ = 58586112. Its totient is φ = 11730000.
The previous prime is 30310213. The next prime is 30310261. The reversal of 30310250 is 5201303.
It is a super-2 number, since 2×303102502 = 1837422510125000, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5795 + ... + 9705.
It is an arithmetic number, because the mean of its divisors is an integer number (1830816).
Almost surely, 230310250 is an apocalyptic number.
30310250 is a deficient number, since it is larger than the sum of its proper divisors (28275862).
30310250 is a wasteful number, since it uses less digits than its factorization.
30310250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3959 (or 3949 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 14.
The square root of 30310250 is about 5505.4745481203. The cubic root of 30310250 is about 311.7907113287.
Adding to 30310250 its reverse (5201303), we get a palindrome (35511553).
The spelling of 30310250 in words is "thirty million, three hundred ten thousand, two hundred fifty".
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