Base | Representation |
---|---|
bin | 111001111100… |
… | …1110010000100 |
3 | 2010011121222001 |
4 | 1303321302010 |
5 | 30234230421 |
6 | 3003115044 |
7 | 516152602 |
oct | 163716204 |
9 | 63147861 |
10 | 30383236 |
11 | 16172414 |
12 | a212a84 |
13 | 63aa560 |
14 | 406c872 |
15 | 2a02691 |
hex | 1cf9c84 |
30383236 has 24 divisors (see below), whose sum is σ = 57418200. Its totient is φ = 13984512.
The previous prime is 30383209. The next prime is 30383237. The reversal of 30383236 is 63238303.
It can be written as a sum of positive squares in 4 ways, for example, as 1115136 + 29268100 = 1056^2 + 5410^2 .
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30383237) 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 7 ways as a sum of consecutive naturals, for example, 28440 + ... + 29488.
It is an arithmetic number, because the mean of its divisors is an integer number (2392425).
Almost surely, 230383236 is an apocalyptic number.
It is an amenable number.
30383236 is a deficient number, since it is larger than the sum of its proper divisors (27034964).
30383236 is a wasteful number, since it uses less digits than its factorization.
30383236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1623 (or 1621 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 28.
The square root of 30383236 is about 5512.0990557137. The cubic root of 30383236 is about 312.0407710252.
The spelling of 30383236 in words is "thirty million, three hundred eighty-three thousand, two hundred thirty-six".
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