Base | Representation |
---|---|
bin | 1001111111111… |
… | …00011000110010 |
3 | 12211211002202210 |
4 | 10333330120302 |
5 | 132432340112 |
6 | 12153352550 |
7 | 2035615455 |
oct | 477743062 |
9 | 184732683 |
10 | 83871282 |
11 | 43385810 |
12 | 24108756 |
13 | 144b74a1 |
14 | b1d349c |
15 | 756ab3c |
hex | 4ffc632 |
83871282 has 32 divisors (see below), whose sum is σ = 192625920. Its totient is φ = 24077520.
The previous prime is 83871269. The next prime is 83871283. The reversal of 83871282 is 28217838.
It is a self number, because there is not a number n which added to its sum of digits gives 83871282.
It is not an unprimeable number, because it can be changed into a prime (83871283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32188 + ... + 34695.
It is an arithmetic number, because the mean of its divisors is an integer number (6019560).
Almost surely, 283871282 is an apocalyptic number.
83871282 is an abundant number, since it is smaller than the sum of its proper divisors (108754638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83871282 is a wasteful number, since it uses less digits than its factorization.
83871282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66918.
The product of its digits is 43008, while the sum is 39.
The square root of 83871282 is about 9158.1265551422. The cubic root of 83871282 is about 437.7281000477.
It can be divided in two parts, 8387 and 1282, that added together give a palindrome (9669).
The spelling of 83871282 in words is "eighty-three million, eight hundred seventy-one thousand, two hundred eighty-two".
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