Base | Representation |
---|---|
bin | 111001110011… |
… | …0000000010110 |
3 | 2010000111211211 |
4 | 1303212000112 |
5 | 30224132410 |
6 | 3001252034 |
7 | 515364460 |
oct | 163460026 |
9 | 63014754 |
10 | 30302230 |
11 | 16117572 |
12 | a19401a |
13 | 637c71a |
14 | 404b130 |
15 | 29d868a |
hex | 1ce6016 |
30302230 has 32 divisors (see below), whose sum is σ = 62643456. Its totient is φ = 10338144.
The previous prime is 30302219. The next prime is 30302249. The reversal of 30302230 is 3220303.
It is a self number, because there is not a number n which added to its sum of digits gives 30302230.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14937 + ... + 16843.
It is an arithmetic number, because the mean of its divisors is an integer number (1957608).
Almost surely, 230302230 is an apocalyptic number.
30302230 is an abundant number, since it is smaller than the sum of its proper divisors (32341226).
30302230 is a wasteful number, since it uses less digits than its factorization.
30302230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2148.
The product of its (nonzero) digits is 108, while the sum is 13.
The square root of 30302230 is about 5504.7461340193. The cubic root of 30302230 is about 311.7632092781.
Adding to 30302230 its reverse (3220303), we get a palindrome (33522533).
The spelling of 30302230 in words is "thirty million, three hundred two thousand, two hundred thirty".
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