Base | Representation |
---|---|
bin | 111001101001… |
… | …0101011000010 |
3 | 2002212111012221 |
4 | 1303102223002 |
5 | 30214114132 |
6 | 2555441254 |
7 | 514614553 |
oct | 163225302 |
9 | 62774187 |
10 | 30223042 |
11 | 16073023 |
12 | a15622a |
13 | 6352675 |
14 | 402a32a |
15 | 29bee97 |
hex | 1cd2ac2 |
30223042 has 12 divisors (see below), whose sum is σ = 48159090. Its totient is φ = 14222336.
The previous prime is 30223033. The next prime is 30223049. The reversal of 30223042 is 24032203.
It can be written as a sum of positive squares in 3 ways, for example, as 29691601 + 531441 = 5449^2 + 729^2 .
It is not an unprimeable number, because it can be changed into a prime (30223049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25567 + ... + 26722.
Almost surely, 230223042 is an apocalyptic number.
30223042 is a deficient number, since it is larger than the sum of its proper divisors (17936048).
30223042 is a wasteful number, since it uses less digits than its factorization.
30223042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52325 (or 52308 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 30223042 is about 5497.5487264780. The cubic root of 30223042 is about 311.4913982408.
Adding to 30223042 its reverse (24032203), we get a palindrome (54255245).
The spelling of 30223042 in words is "thirty million, two hundred twenty-three thousand, forty-two".
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