Base | Representation |
---|---|
bin | 1001111010111… |
… | …11010011100110 |
3 | 12210121102012000 |
4 | 10331133103212 |
5 | 132301243003 |
6 | 12131510130 |
7 | 2030265606 |
oct | 475372346 |
9 | 183542160 |
10 | 83227878 |
11 | 42a86378 |
12 | 23a58346 |
13 | 14320686 |
14 | b0a6c06 |
15 | 74901a3 |
hex | 4f5f4e6 |
83227878 has 64 divisors (see below), whose sum is σ = 190425600. Its totient is φ = 26935200.
The previous prime is 83227873. The next prime is 83227897. The reversal of 83227878 is 87872238.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83227871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481000 + ... + 481172.
It is an arithmetic number, because the mean of its divisors is an integer number (2975400).
Almost surely, 283227878 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83227878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95212800).
83227878 is an abundant number, since it is smaller than the sum of its proper divisors (107197722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83227878 is a wasteful number, since it uses less digits than its factorization.
83227878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394 (or 388 counting only the distinct ones).
The product of its digits is 301056, while the sum is 45.
The square root of 83227878 is about 9122.9314367697. The cubic root of 83227878 is about 436.6059071558.
The spelling of 83227878 in words is "eighty-three million, two hundred twenty-seven thousand, eight hundred seventy-eight".
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