Base | Representation |
---|---|
bin | 1111110000000… |
… | …0111010100101 |
3 | 11121022101211012 |
4 | 3330000322211 |
5 | 113403022122 |
6 | 10315552005 |
7 | 1431351344 |
oct | 374007245 |
9 | 147271735 |
10 | 66064037 |
11 | 34322986 |
12 | 1a15b605 |
13 | 108c1160 |
14 | 8ab9b5b |
15 | 5bee7e2 |
hex | 3f00ea5 |
66064037 has 16 divisors (see below), whose sum is σ = 72828672. Its totient is φ = 59555520.
The previous prime is 66063983. The next prime is 66064043. The reversal of 66064037 is 73046066.
66064037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 66064037 - 216 = 65998501 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 66063994 and 66064012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66064087) 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 in 15 ways as a sum of consecutive naturals, for example, 179828 + ... + 180194.
It is an arithmetic number, because the mean of its divisors is an integer number (4551792).
Almost surely, 266064037 is an apocalyptic number.
It is an amenable number.
66064037 is a deficient number, since it is larger than the sum of its proper divisors (6764635).
66064037 is a wasteful number, since it uses less digits than its factorization.
66064037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 668.
The product of its (nonzero) digits is 18144, while the sum is 32.
The square root of 66064037 is about 8127.9786540074. The cubic root of 66064037 is about 404.2546612718.
The spelling of 66064037 in words is "sixty-six million, sixty-four thousand, thirty-seven".
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