Base | Representation |
---|---|
bin | 111001010000… |
… | …1100111111101 |
3 | 2002111021122011 |
4 | 1302201213331 |
5 | 30141202031 |
6 | 2551251221 |
7 | 513120052 |
oct | 162414775 |
9 | 62437564 |
10 | 30022141 |
11 | 15a46096 |
12 | a079b11 |
13 | 62b20a6 |
14 | 3db7029 |
15 | 29806b1 |
hex | 1ca19fd |
30022141 has 2 divisors, whose sum is σ = 30022142. Its totient is φ = 30022140.
The previous prime is 30022123. The next prime is 30022169. The reversal of 30022141 is 14122003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27931225 + 2090916 = 5285^2 + 1446^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30022141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30022121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011070 + 15011071.
It is an arithmetic number, because the mean of its divisors is an integer number (15011071).
Almost surely, 230022141 is an apocalyptic number.
It is an amenable number.
30022141 is a deficient number, since it is larger than the sum of its proper divisors (1).
30022141 is an equidigital number, since it uses as much as digits as its factorization.
30022141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 30022141 is about 5479.2463897876. The cubic root of 30022141 is about 310.7996731698.
Adding to 30022141 its reverse (14122003), we get a palindrome (44144144).
The spelling of 30022141 in words is "thirty million, twenty-two thousand, one hundred forty-one".
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