Base | Representation |
---|---|
bin | 111001010010… |
… | …0011000100001 |
3 | 2002111212010200 |
4 | 1302210120201 |
5 | 30142032231 |
6 | 2551415413 |
7 | 513165024 |
oct | 162443041 |
9 | 62455120 |
10 | 30033441 |
11 | 15a53629 |
12 | a084569 |
13 | 62b7289 |
14 | 3dbb1bb |
15 | 2983be6 |
hex | 1ca4621 |
30033441 has 24 divisors (see below), whose sum is σ = 46580040. Its totient is φ = 18579456.
The previous prime is 30033439. The next prime is 30033449. The reversal of 30033441 is 14433003.
It can be written as a sum of positive squares in 4 ways, for example, as 2250000 + 27783441 = 1500^2 + 5271^2 .
It is not a de Polignac number, because 30033441 - 21 = 30033439 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30033449) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9825 + ... + 12513.
It is an arithmetic number, because the mean of its divisors is an integer number (1940835).
Almost surely, 230033441 is an apocalyptic number.
It is an amenable number.
30033441 is a deficient number, since it is larger than the sum of its proper divisors (16546599).
30033441 is a wasteful number, since it uses less digits than its factorization.
30033441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2785 (or 2782 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 30033441 is about 5480.2774564797. The cubic root of 30033441 is about 310.8386621254.
Adding to 30033441 its reverse (14433003), we get a palindrome (44466444).
The spelling of 30033441 in words is "thirty million, thirty-three thousand, four hundred forty-one".
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