Base | Representation |
---|---|
bin | 1111110011001… |
… | …1011001111001 |
3 | 11121200220111121 |
4 | 3330303121321 |
5 | 113431131331 |
6 | 10324225241 |
7 | 1433202310 |
oct | 374633171 |
9 | 147626447 |
10 | 66270841 |
11 | 3445429a |
12 | 1a23b221 |
13 | 10964320 |
14 | 8b31277 |
15 | 5c40c11 |
hex | 3f33679 |
66270841 has 16 divisors (see below), whose sum is σ = 85859200. Its totient is φ = 49673088.
The previous prime is 66270833. The next prime is 66270851. The reversal of 66270841 is 14807266.
It is a cyclic number.
It is not a de Polignac number, because 66270841 - 23 = 66270833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 66270797 and 66270806.
It is not an unprimeable number, because it can be changed into a prime (66270851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17436 + ... + 20893.
It is an arithmetic number, because the mean of its divisors is an integer number (5366200).
Almost surely, 266270841 is an apocalyptic number.
It is an amenable number.
66270841 is a deficient number, since it is larger than the sum of its proper divisors (19588359).
66270841 is a wasteful number, since it uses less digits than its factorization.
66270841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38368.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 66270841 is about 8140.6904498329. The cubic root of 66270841 is about 404.6760423136.
The spelling of 66270841 in words is "sixty-six million, two hundred seventy thousand, eight hundred forty-one".
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