Base | Representation |
---|---|
bin | 111001101010… |
… | …0101011100100 |
3 | 2002212220111121 |
4 | 1303110223210 |
5 | 30214400033 |
6 | 2555543324 |
7 | 514650544 |
oct | 163245344 |
9 | 62786447 |
10 | 30231268 |
11 | 16079221 |
12 | a15ab44 |
13 | 6356332 |
14 | 402d324 |
15 | 29c262d |
hex | 1cd4ae4 |
30231268 has 12 divisors (see below), whose sum is σ = 54195372. Its totient is φ = 14746880.
The previous prime is 30231251. The next prime is 30231283. The reversal of 30231268 is 86213203.
It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 29680704 = 742^2 + 5448^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92005 + ... + 92332.
It is an arithmetic number, because the mean of its divisors is an integer number (4516281).
Almost surely, 230231268 is an apocalyptic number.
It is an amenable number.
30231268 is a deficient number, since it is larger than the sum of its proper divisors (23964104).
30231268 is a wasteful number, since it uses less digits than its factorization.
30231268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184382 (or 184380 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 30231268 is about 5498.2968272002. The cubic root of 30231268 is about 311.5196558840.
The spelling of 30231268 in words is "thirty million, two hundred thirty-one thousand, two hundred sixty-eight".
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