Base | Representation |
---|---|
bin | 1111110100111… |
… | …0110011110101 |
3 | 11121220121111002 |
4 | 3331032303311 |
5 | 113443224333 |
6 | 10330453045 |
7 | 1434150500 |
oct | 375166365 |
9 | 147817432 |
10 | 66383093 |
11 | 34520667 |
12 | 1a294185 |
13 | 109a344a |
14 | 8b60137 |
15 | 5c640e8 |
hex | 3f4ecf5 |
66383093 has 24 divisors (see below), whose sum is σ = 82134720. Its totient is φ = 53343360.
The previous prime is 66383087. The next prime is 66383137. The reversal of 66383093 is 39038366.
It is not a de Polignac number, because 66383093 - 26 = 66383029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66383003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104888 + ... + 105518.
It is an arithmetic number, because the mean of its divisors is an integer number (3422280).
Almost surely, 266383093 is an apocalyptic number.
It is an amenable number.
66383093 is a deficient number, since it is larger than the sum of its proper divisors (15751627).
66383093 is a wasteful number, since it uses less digits than its factorization.
66383093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 777 (or 770 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 38.
The square root of 66383093 is about 8147.5820339534. The cubic root of 66383093 is about 404.9043985088.
The spelling of 66383093 in words is "sixty-six million, three hundred eighty-three thousand, ninety-three".
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