Base | Representation |
---|---|
bin | 1010000011111… |
… | …0110010001001 |
3 | 2221101222210102 |
4 | 2200332302021 |
5 | 41300401301 |
6 | 4104255145 |
7 | 1021460441 |
oct | 240766211 |
9 | 87358712 |
10 | 42200201 |
11 | 219036aa |
12 | 121714b5 |
13 | 8987144 |
14 | 5867121 |
15 | 3a88b6b |
hex | 283ec89 |
42200201 has 2 divisors, whose sum is σ = 42200202. Its totient is φ = 42200200.
The previous prime is 42200167. The next prime is 42200203. The reversal of 42200201 is 10200224.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 41925625 + 274576 = 6475^2 + 524^2 .
It is a cyclic number.
It is not a de Polignac number, because 42200201 - 210 = 42199177 is a prime.
It is a Sophie Germain prime.
Together with 42200203, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (42200203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100100 + 21100101.
It is an arithmetic number, because the mean of its divisors is an integer number (21100101).
Almost surely, 242200201 is an apocalyptic number.
It is an amenable number.
42200201 is a deficient number, since it is larger than the sum of its proper divisors (1).
42200201 is an equidigital number, since it uses as much as digits as its factorization.
42200201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 42200201 is about 6496.1681782417. The cubic root of 42200201 is about 348.1540940200.
Adding to 42200201 its reverse (10200224), we get a palindrome (52400425).
The spelling of 42200201 in words is "forty-two million, two hundred thousand, two hundred one".
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