Base | Representation |
---|---|
bin | 111001110011… |
… | …0010001011001 |
3 | 2010000120100020 |
4 | 1303212101121 |
5 | 30224201241 |
6 | 3001301053 |
7 | 515400606 |
oct | 163462131 |
9 | 63016306 |
10 | 30303321 |
11 | 16118374 |
12 | a194789 |
13 | 6380079 |
14 | 404b6ad |
15 | 29d8b66 |
hex | 1ce6459 |
30303321 has 16 divisors (see below), whose sum is σ = 41059200. Its totient is φ = 19877760.
The previous prime is 30303311. The next prime is 30303331. The reversal of 30303321 is 12330303.
It is an interprime number because it is at equal distance from previous prime (30303311) and next prime (30303331).
It is not a de Polignac number, because 30303321 - 27 = 30303193 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30303321.
It is not an unprimeable number, because it can be changed into a prime (30303311) 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, 86655 + ... + 87003.
It is an arithmetic number, because the mean of its divisors is an integer number (2566200).
Almost surely, 230303321 is an apocalyptic number.
It is an amenable number.
30303321 is a deficient number, since it is larger than the sum of its proper divisors (10755879).
30303321 is a wasteful number, since it uses less digits than its factorization.
30303321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 736.
The product of its (nonzero) digits is 162, while the sum is 15.
The square root of 30303321 is about 5504.8452294320. The cubic root of 30303321 is about 311.7669508023.
Adding to 30303321 its reverse (12330303), we get a palindrome (42633624).
The spelling of 30303321 in words is "thirty million, three hundred three thousand, three hundred twenty-one".
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