Base | Representation |
---|---|
bin | 111001111101… |
… | …0100001001000 |
3 | 2010011210002121 |
4 | 1303322201020 |
5 | 30234324443 |
6 | 3003141024 |
7 | 516164434 |
oct | 163724110 |
9 | 63153077 |
10 | 30386248 |
11 | 16174702 |
12 | a214774 |
13 | 63aba39 |
14 | 406d9c4 |
15 | 2a034ed |
hex | 1cfa848 |
30386248 has 16 divisors (see below), whose sum is σ = 58364460. Its totient is φ = 14822400.
The previous prime is 30386233. The next prime is 30386269. The reversal of 30386248 is 84268303.
It can be written as a sum of positive squares in 2 ways, for example, as 30272004 + 114244 = 5502^2 + 338^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45993 + ... + 46648.
Almost surely, 230386248 is an apocalyptic number.
It is an amenable number.
30386248 is a deficient number, since it is larger than the sum of its proper divisors (27978212).
30386248 is a wasteful number, since it uses less digits than its factorization.
30386248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92688 (or 92684 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 34.
The square root of 30386248 is about 5512.3722660938. The cubic root of 30386248 is about 312.0510819277.
The spelling of 30386248 in words is "thirty million, three hundred eighty-six thousand, two hundred forty-eight".
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