Base | Representation |
---|---|
bin | 1001101000101… |
… | …00001001110010 |
3 | 12122002020011200 |
4 | 10310110021302 |
5 | 131142313043 |
6 | 12004152030 |
7 | 2000661162 |
oct | 464241162 |
9 | 178066150 |
10 | 80822898 |
11 | 41693492 |
12 | 23098616 |
13 | 1398ab00 |
14 | aa3c5a2 |
15 | 71677d3 |
hex | 4d14272 |
80822898 has 54 divisors (see below), whose sum is σ = 190793421. Its totient is φ = 24716016.
The previous prime is 80822891. The next prime is 80822909. The reversal of 80822898 is 89822808.
It can be written as a sum of positive squares in 2 ways, for example, as 69105969 + 11716929 = 8313^2 + 3423^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=6357.
It is a super-2 number, since 2×808228982 = 13064681682236808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (80822891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 495765 + ... + 495927.
Almost surely, 280822898 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80822898
80822898 is an abundant number, since it is smaller than the sum of its proper divisors (109970523).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80822898 is a wasteful number, since it uses less digits than its factorization.
80822898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360 (or 181 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 45.
The square root of 80822898 is about 8990.1556160058. The cubic root of 80822898 is about 432.3593011322.
The spelling of 80822898 in words is "eighty million, eight hundred twenty-two thousand, eight hundred ninety-eight".
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