Base | Representation |
---|---|
bin | 1001110111100… |
… | …00111001001100 |
3 | 12202202102211000 |
4 | 10323300321030 |
5 | 132142310003 |
6 | 12114100300 |
7 | 2023403235 |
oct | 473607114 |
9 | 182672730 |
10 | 82775628 |
11 | 427a7611 |
12 | 2387a690 |
13 | 141c2880 |
14 | adca08c |
15 | 74011a3 |
hex | 4ef0e4c |
82775628 has 192 divisors, whose sum is σ = 254016000. Its totient is φ = 23079168.
The previous prime is 82775621. The next prime is 82775639. The reversal of 82775628 is 82657728.
82775628 is a `hidden beast` number, since 82 + 7 + 7 + 562 + 8 = 666.
It is not an unprimeable number, because it can be changed into a prime (82775621) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 773551 + ... + 773657.
It is an arithmetic number, because the mean of its divisors is an integer number (1323000).
Almost surely, 282775628 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 82775628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127008000).
82775628 is an abundant number, since it is smaller than the sum of its proper divisors (171240372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82775628 is a wasteful number, since it uses less digits than its factorization.
82775628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181 (or 173 counting only the distinct ones).
The product of its digits is 376320, while the sum is 45.
The square root of 82775628 is about 9098.1112325581. Note that the first 3 decimals coincide. The cubic root of 82775628 is about 435.8136495669.
The spelling of 82775628 in words is "eighty-two million, seven hundred seventy-five thousand, six hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •