Base | Representation |
---|---|
bin | 111001101010… |
… | …0011011011101 |
3 | 2002212212002102 |
4 | 1303110123131 |
5 | 30214331422 |
6 | 2555534445 |
7 | 514644542 |
oct | 163243335 |
9 | 62785072 |
10 | 30230237 |
11 | 16078474 |
12 | a15a425 |
13 | 6355a1b |
14 | 402cbc9 |
15 | 29c2192 |
hex | 1cd46dd |
30230237 has 2 divisors, whose sum is σ = 30230238. Its totient is φ = 30230236.
The previous prime is 30230227. The next prime is 30230269. The reversal of 30230237 is 73203203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20124196 + 10106041 = 4486^2 + 3179^2 .
It is a cyclic number.
It is not a de Polignac number, because 30230237 - 224 = 13453021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30230227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115118 + 15115119.
It is an arithmetic number, because the mean of its divisors is an integer number (15115119).
Almost surely, 230230237 is an apocalyptic number.
It is an amenable number.
30230237 is a deficient number, since it is larger than the sum of its proper divisors (1).
30230237 is an equidigital number, since it uses as much as digits as its factorization.
30230237 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 756, while the sum is 20.
The square root of 30230237 is about 5498.2030700948. The cubic root of 30230237 is about 311.5161145129.
The spelling of 30230237 in words is "thirty million, two hundred thirty thousand, two hundred thirty-seven".
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