Base | Representation |
---|---|
bin | 11111010000101110101010 |
3 | 120102100102000 |
4 | 133100232222 |
5 | 4044214421 |
6 | 451351430 |
7 | 126441042 |
oct | 37205652 |
9 | 16370360 |
10 | 8194986 |
11 | 4698018 |
12 | 28b2576 |
13 | 190c107 |
14 | 1134722 |
15 | abd226 |
hex | 7d0baa |
8194986 has 64 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 2515968.
The previous prime is 8194981. The next prime is 8194987. The reversal of 8194986 is 6894918.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8194981) 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 31 ways as a sum of consecutive naturals, for example, 72466 + ... + 72578.
It is an arithmetic number, because the mean of its divisors is an integer number (307800).
Almost surely, 28194986 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8194986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9849600).
8194986 is an abundant number, since it is smaller than the sum of its proper divisors (11504214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8194986 is a wasteful number, since it uses less digits than its factorization.
8194986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220 (or 214 counting only the distinct ones).
The product of its digits is 124416, while the sum is 45.
The square root of 8194986 is about 2862.6885964072. The cubic root of 8194986 is about 201.6118580043.
It can be divided in two parts, 8194 and 986, that added together give a triangular number (9180 = T135).
The spelling of 8194986 in words is "eight million, one hundred ninety-four thousand, nine hundred eighty-six".
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