Base | Representation |
---|---|
bin | 111001011101… |
… | …0100111111011 |
3 | 2002200111002200 |
4 | 1302322213323 |
5 | 30202441124 |
6 | 2553401243 |
7 | 514024434 |
oct | 162724773 |
9 | 62614080 |
10 | 30124539 |
11 | 16006015 |
12 | a109223 |
13 | 6319893 |
14 | 400248b |
15 | 29a0bc9 |
hex | 1cba9fb |
30124539 has 6 divisors (see below), whose sum is σ = 43513236. Its totient is φ = 20083020.
The previous prime is 30124531. The next prime is 30124541. The reversal of 30124539 is 93542103.
30124539 is a `hidden beast` number, since 3 + 0 + 124 + 539 = 666.
It is not a de Polignac number, because 30124539 - 23 = 30124531 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30124531) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 1673577 + ... + 1673594.
It is an arithmetic number, because the mean of its divisors is an integer number (7252206).
Almost surely, 230124539 is an apocalyptic number.
30124539 is a deficient number, since it is larger than the sum of its proper divisors (13388697).
30124539 is a wasteful number, since it uses less digits than its factorization.
30124539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3347177 (or 3347174 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 30124539 is about 5488.5826039151. The cubic root of 30124539 is about 311.1526254645.
The spelling of 30124539 in words is "thirty million, one hundred twenty-four thousand, five hundred thirty-nine".
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