Base | Representation |
---|---|
bin | 1111111100100… |
… | …0110111001001 |
3 | 11122212000020210 |
4 | 3333020313021 |
5 | 114110224032 |
6 | 10345311333 |
7 | 1441332135 |
oct | 377106711 |
9 | 148760223 |
10 | 66883017 |
11 | 34832223 |
12 | 1a495549 |
13 | 10b19b66 |
14 | 8c503c5 |
15 | 5d122cc |
hex | 3fc8dc9 |
66883017 has 8 divisors (see below), whose sum is σ = 91251424. Its totient is φ = 43551648.
The previous prime is 66883001. The next prime is 66883031. The reversal of 66883017 is 71038866.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 66883017 - 24 = 66883001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (66883067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259108 + ... + 259365.
It is an arithmetic number, because the mean of its divisors is an integer number (11406428).
Almost surely, 266883017 is an apocalyptic number.
It is an amenable number.
66883017 is a deficient number, since it is larger than the sum of its proper divisors (24368407).
66883017 is a wasteful number, since it uses less digits than its factorization.
66883017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 518519.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 66883017 is about 8178.2037758911. The cubic root of 66883017 is about 405.9182882141.
The spelling of 66883017 in words is "sixty-six million, eight hundred eighty-three thousand, seventeen".
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