Base | Representation |
---|---|
bin | 1001111111111… |
… | …10010011101100 |
3 | 12211211111120010 |
4 | 10333332103230 |
5 | 132433113043 |
6 | 12153453220 |
7 | 2035650423 |
oct | 477762354 |
9 | 184744503 |
10 | 83879148 |
11 | 43390711 |
12 | 24111210 |
13 | 144bac42 |
14 | b1d62ba |
15 | 756d133 |
hex | 4ffe4ec |
83879148 has 96 divisors (see below), whose sum is σ = 216375040. Its totient is φ = 25194240.
The previous prime is 83879123. The next prime is 83879171. The reversal of 83879148 is 84197838.
It is a super-2 number, since 2×838791482 = 14071422938411808, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 83879097 and 83879106.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514515 + ... + 514677.
Almost surely, 283879148 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83879148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108187520).
83879148 is an abundant number, since it is smaller than the sum of its proper divisors (132495892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83879148 is a wasteful number, since it uses less digits than its factorization.
83879148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287 (or 285 counting only the distinct ones).
The product of its digits is 387072, while the sum is 48.
The square root of 83879148 is about 9158.5559997196. Note that the first 3 decimals coincide. The cubic root of 83879148 is about 437.7417839592.
The spelling of 83879148 in words is "eighty-three million, eight hundred seventy-nine thousand, one hundred forty-eight".
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