Base | Representation |
---|---|
bin | 111001110100… |
… | …0101001101010 |
3 | 2010001001201011 |
4 | 1303220221222 |
5 | 30230004231 |
6 | 3001414134 |
7 | 515441200 |
oct | 163505152 |
9 | 63031634 |
10 | 30313066 |
11 | 16124723 |
12 | a19a34a |
13 | 6384634 |
14 | 4051070 |
15 | 29db9b1 |
hex | 1ce8a6a |
30313066 has 12 divisors (see below), whose sum is σ = 52893378. Its totient is φ = 12991272.
The previous prime is 30313043. The next prime is 30313069. The reversal of 30313066 is 66031303.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 17816841 + 12496225 = 4221^2 + 3535^2 .
It is not an unprimeable number, because it can be changed into a prime (30313069) 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 5 ways as a sum of consecutive naturals, for example, 154561 + ... + 154756.
Almost surely, 230313066 is an apocalyptic number.
30313066 is a deficient number, since it is larger than the sum of its proper divisors (22580312).
30313066 is a wasteful number, since it uses less digits than its factorization.
30313066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309333 (or 309326 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 22.
The square root of 30313066 is about 5505.7302876185. The cubic root of 30313066 is about 311.8003667582.
Adding to 30313066 its reverse (66031303), we get a palindrome (96344369).
The spelling of 30313066 in words is "thirty million, three hundred thirteen thousand, sixty-six".
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