Base | Representation |
---|---|
bin | 111010100111… |
… | …0100000101011 |
3 | 2010211021000122 |
4 | 1311032200223 |
5 | 30331332113 |
6 | 3014353455 |
7 | 522126443 |
oct | 165164053 |
9 | 63737018 |
10 | 30730283 |
11 | 1638a131 |
12 | a35b88b |
13 | 649c4cc |
14 | 411d123 |
15 | 2a70408 |
hex | 1d4e82b |
30730283 has 2 divisors, whose sum is σ = 30730284. Its totient is φ = 30730282.
The previous prime is 30730253. The next prime is 30730309. The reversal of 30730283 is 38203703.
It is an a-pointer prime, because the next prime (30730309) can be obtained adding 30730283 to its sum of digits (26).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30730283 - 216 = 30664747 is a prime.
It is not a weakly prime, because it can be changed into another prime (30730213) 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 as a sum of consecutive naturals, namely, 15365141 + 15365142.
It is an arithmetic number, because the mean of its divisors is an integer number (15365142).
Almost surely, 230730283 is an apocalyptic number.
30730283 is a deficient number, since it is larger than the sum of its proper divisors (1).
30730283 is an equidigital number, since it uses as much as digits as its factorization.
30730283 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 30730283 is about 5543.4901461083. The cubic root of 30730283 is about 313.2243523465.
Adding to 30730283 its reverse (38203703), we get a palindrome (68933986).
It can be divided in two parts, 30730 and 283, that added together give a palindrome (31013).
The spelling of 30730283 in words is "thirty million, seven hundred thirty thousand, two hundred eighty-three".
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