Base | Representation |
---|---|
bin | 1010000111001… |
… | …0100011010001 |
3 | 2221210202122202 |
4 | 2201302203101 |
5 | 41324142431 |
6 | 4113012545 |
7 | 1023332564 |
oct | 241624321 |
9 | 87722582 |
10 | 42412241 |
11 | 21a38a43 |
12 | 12254155 |
13 | 8a2c801 |
14 | 58c04db |
15 | 3acb8cb |
hex | 28728d1 |
42412241 has 2 divisors, whose sum is σ = 42412242. Its totient is φ = 42412240.
The previous prime is 42412231. The next prime is 42412261. The reversal of 42412241 is 14221424.
It is an a-pointer prime, because the next prime (42412261) can be obtained adding 42412241 to its sum of digits (20).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25969216 + 16443025 = 5096^2 + 4055^2 .
It is a cyclic number.
It is not a de Polignac number, because 42412241 - 210 = 42411217 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (42412211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21206120 + 21206121.
It is an arithmetic number, because the mean of its divisors is an integer number (21206121).
Almost surely, 242412241 is an apocalyptic number.
It is an amenable number.
42412241 is a deficient number, since it is larger than the sum of its proper divisors (1).
42412241 is an equidigital number, since it uses as much as digits as its factorization.
42412241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 512, while the sum is 20.
The square root of 42412241 is about 6512.4681189239. The cubic root of 42412241 is about 348.7362341744.
Adding to 42412241 its reverse (14221424), we get a palindrome (56633665).
The spelling of 42412241 in words is "forty-two million, four hundred twelve thousand, two hundred forty-one".
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