Base | Representation |
---|---|
bin | 111001010011… |
… | …0110100110001 |
3 | 2002112100212001 |
4 | 1302212310301 |
5 | 30142342231 |
6 | 2551534001 |
7 | 513236131 |
oct | 162466461 |
9 | 62470761 |
10 | 30043441 |
11 | 15a6009a |
12 | a08a301 |
13 | 62bb9ac |
14 | 3dc0ac1 |
15 | 2986b61 |
hex | 1ca6d31 |
30043441 has 2 divisors, whose sum is σ = 30043442. Its totient is φ = 30043440.
The previous prime is 30043439. The next prime is 30043457. The reversal of 30043441 is 14434003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26998416 + 3045025 = 5196^2 + 1745^2 .
It is a cyclic number.
It is not a de Polignac number, because 30043441 - 21 = 30043439 is a prime.
Together with 30043439, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30043241) 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, 15021720 + 15021721.
It is an arithmetic number, because the mean of its divisors is an integer number (15021721).
Almost surely, 230043441 is an apocalyptic number.
It is an amenable number.
30043441 is a deficient number, since it is larger than the sum of its proper divisors (1).
30043441 is an equidigital number, since it uses as much as digits as its factorization.
30043441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30043441 is about 5481.1897431123. The cubic root of 30043441 is about 310.8731574700.
Adding to 30043441 its reverse (14434003), we get a palindrome (44477444).
The spelling of 30043441 in words is "thirty million, forty-three thousand, four hundred forty-one".
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