Base | Representation |
---|---|
bin | 1010001010111… |
… | …1100011010101 |
3 | 2222021110101211 |
4 | 2202233203111 |
5 | 41410141401 |
6 | 4122221421 |
7 | 1025423206 |
oct | 242574325 |
9 | 88243354 |
10 | 42662101 |
11 | 22099739 |
12 | 12354871 |
13 | 8ab9461 |
14 | 59475ad |
15 | 3b2a951 |
hex | 28af8d5 |
42662101 has 2 divisors, whose sum is σ = 42662102. Its totient is φ = 42662100.
The previous prime is 42662089. The next prime is 42662111. The reversal of 42662101 is 10126624.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32890225 + 9771876 = 5735^2 + 3126^2 .
It is a cyclic number.
It is not a de Polignac number, because 42662101 - 25 = 42662069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42662111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331050 + 21331051.
It is an arithmetic number, because the mean of its divisors is an integer number (21331051).
Almost surely, 242662101 is an apocalyptic number.
It is an amenable number.
42662101 is a deficient number, since it is larger than the sum of its proper divisors (1).
42662101 is an equidigital number, since it uses as much as digits as its factorization.
42662101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 42662101 is about 6531.6231520197. The cubic root of 42662101 is about 349.4197214586.
Adding to 42662101 its reverse (10126624), we get a palindrome (52788725).
The spelling of 42662101 in words is "forty-two million, six hundred sixty-two thousand, one hundred one".
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