Base | Representation |
---|---|
bin | 1001110010100… |
… | …10100000001100 |
3 | 12201112110212120 |
4 | 10321102200030 |
5 | 132011024420 |
6 | 12052132540 |
7 | 2015031624 |
oct | 471224014 |
9 | 181473776 |
10 | 82126860 |
11 | 423a4142 |
12 | 23607150 |
13 | 1402649a |
14 | ac9b884 |
15 | 7323d40 |
hex | 4e5280c |
82126860 has 48 divisors (see below), whose sum is σ = 234855936. Its totient is φ = 21433792.
The previous prime is 82126841. The next prime is 82126867. The reversal of 82126860 is 6862128.
It is a super-2 number, since 2×821268602 = 13489642266919200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (82126867) 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, 11742 + ... + 17381.
It is an arithmetic number, because the mean of its divisors is an integer number (4892832).
Almost surely, 282126860 is an apocalyptic number.
It is an amenable number.
82126860 is an abundant number, since it is smaller than the sum of its proper divisors (152729076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82126860 is a wasteful number, since it uses less digits than its factorization.
82126860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29182 (or 29180 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 82126860 is about 9062.3871027451. The cubic root of 82126860 is about 434.6720741650.
Adding to 82126860 its reverse (6862128), we get a palindrome (88988988).
The spelling of 82126860 in words is "eighty-two million, one hundred twenty-six thousand, eight hundred sixty".
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