Base | Representation |
---|---|
bin | 111010101110… |
… | …1001110000001 |
3 | 2010221022122222 |
4 | 1311131032001 |
5 | 30340244104 |
6 | 3015540425 |
7 | 522500210 |
oct | 165351601 |
9 | 63838588 |
10 | 30790529 |
11 | 16420420 |
12 | a38a715 |
13 | 64c0a63 |
14 | 4137077 |
15 | 2a831be |
hex | 1d5d381 |
30790529 has 16 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 23717760.
The previous prime is 30790493. The next prime is 30790531. The reversal of 30790529 is 92509703.
It is not a de Polignac number, because 30790529 - 28 = 30790273 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30790559) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 4607 + ... + 9099.
It is an arithmetic number, because the mean of its divisors is an integer number (2426760).
Almost surely, 230790529 is an apocalyptic number.
It is an amenable number.
30790529 is a deficient number, since it is larger than the sum of its proper divisors (8037631).
30790529 is a wasteful number, since it uses less digits than its factorization.
30790529 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4600.
The product of its (nonzero) digits is 17010, while the sum is 35.
The square root of 30790529 is about 5548.9214267279. The cubic root of 30790529 is about 313.4289083975.
The spelling of 30790529 in words is "thirty million, seven hundred ninety thousand, five hundred twenty-nine".
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