Base | Representation |
---|---|
bin | 1010001000011… |
… | …00010101001001 |
3 | 12220220200201120 |
4 | 11010030111021 |
5 | 133224011121 |
6 | 12233305453 |
7 | 2051235102 |
oct | 504142511 |
9 | 186820646 |
10 | 84985161 |
11 | 43a76678 |
12 | 24565289 |
13 | 147b74a1 |
14 | b4033a9 |
15 | 76dabc6 |
hex | 510c549 |
84985161 has 8 divisors (see below), whose sum is σ = 118240320. Its totient is φ = 54193392.
The previous prime is 84985151. The next prime is 84985163. The reversal of 84985161 is 16158948.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 84985161 - 26 = 84985097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (84985163) 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, 615766 + ... + 615903.
It is an arithmetic number, because the mean of its divisors is an integer number (14780040).
Almost surely, 284985161 is an apocalyptic number.
It is an amenable number.
84985161 is a deficient number, since it is larger than the sum of its proper divisors (33255159).
84985161 is a wasteful number, since it uses less digits than its factorization.
84985161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1231695.
The product of its digits is 69120, while the sum is 42.
The square root of 84985161 is about 9218.7396644010. The cubic root of 84985161 is about 439.6573796266.
The spelling of 84985161 in words is "eighty-four million, nine hundred eighty-five thousand, one hundred sixty-one".
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