Base | Representation |
---|---|
bin | 1001110110101… |
… | …11011110000000 |
3 | 12202120010221222 |
4 | 10323113132000 |
5 | 132130441423 |
6 | 12111534212 |
7 | 2022460514 |
oct | 473273600 |
9 | 182503858 |
10 | 82671488 |
11 | 42736349 |
12 | 2382a368 |
13 | 14187353 |
14 | ada0144 |
15 | 73d03c8 |
hex | 4ed7780 |
82671488 has 32 divisors (see below), whose sum is σ = 165531720. Its totient is φ = 41126400.
The previous prime is 82671487. The next prime is 82671509. The reversal of 82671488 is 88417628.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82671487) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25478 + ... + 28538.
Almost surely, 282671488 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 82671488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82765860).
82671488 is an abundant number, since it is smaller than the sum of its proper divisors (82860232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82671488 is a wasteful number, since it uses less digits than its factorization.
82671488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3286 (or 3274 counting only the distinct ones).
The product of its digits is 172032, while the sum is 44.
The square root of 82671488 is about 9092.3862654421. The cubic root of 82671488 is about 435.6308071809.
The spelling of 82671488 in words is "eighty-two million, six hundred seventy-one thousand, four hundred eighty-eight".
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