Base | Representation |
---|---|
bin | 111010000100… |
… | …0110111110001 |
3 | 2010021202202010 |
4 | 1310020313301 |
5 | 30243220131 |
6 | 3004313133 |
7 | 516531024 |
oct | 164106761 |
9 | 63252663 |
10 | 30445041 |
11 | 162048a0 |
12 | a2427a9 |
13 | 63cc723 |
14 | 40871bb |
15 | 2a15b46 |
hex | 1d08df1 |
30445041 has 24 divisors (see below), whose sum is σ = 45905184. Its totient is φ = 17799040.
The previous prime is 30445033. The next prime is 30445057. The reversal of 30445041 is 14054403.
It is not a de Polignac number, because 30445041 - 23 = 30445033 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30444999 and 30445017.
It is not an unprimeable number, because it can be changed into a prime (30445061) 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 23 ways as a sum of consecutive naturals, for example, 27205 + ... + 28301.
It is an arithmetic number, because the mean of its divisors is an integer number (1912716).
Almost surely, 230445041 is an apocalyptic number.
It is an amenable number.
30445041 is a deficient number, since it is larger than the sum of its proper divisors (15460143).
30445041 is a wasteful number, since it uses less digits than its factorization.
30445041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1169 (or 1140 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 30445041 is about 5517.7025110095. The cubic root of 30445041 is about 312.2522101859.
Adding to 30445041 its reverse (14054403), we get a palindrome (44499444).
The spelling of 30445041 in words is "thirty million, four hundred forty-five thousand, forty-one".
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