Base | Representation |
---|---|
bin | 1010000110110… |
… | …0100110101011 |
3 | 2221202112020121 |
4 | 2201230212223 |
5 | 41322403013 |
6 | 4112304111 |
7 | 1023201556 |
oct | 241544653 |
9 | 87675217 |
10 | 42387883 |
11 | 21a2170a |
12 | 12242037 |
13 | 8a216b5 |
14 | 58b569d |
15 | 3ac458d |
hex | 286c9ab |
42387883 has 2 divisors, whose sum is σ = 42387884. Its totient is φ = 42387882.
The previous prime is 42387871. The next prime is 42387913. The reversal of 42387883 is 38878324.
42387883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 42387883 - 217 = 42256811 is a prime.
It is not a weakly prime, because it can be changed into another prime (42387833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21193941 + 21193942.
It is an arithmetic number, because the mean of its divisors is an integer number (21193942).
Almost surely, 242387883 is an apocalyptic number.
42387883 is a deficient number, since it is larger than the sum of its proper divisors (1).
42387883 is an equidigital number, since it uses as much as digits as its factorization.
42387883 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 258048, while the sum is 43.
The square root of 42387883 is about 6510.5977452151. The cubic root of 42387883 is about 348.6694598683.
It can be divided in two parts, 4238 and 7883, that added together give a palindrome (12121).
The spelling of 42387883 in words is "forty-two million, three hundred eighty-seven thousand, eight hundred eighty-three".
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