Base | Representation |
---|---|
bin | 1001110011110… |
… | …01111101100001 |
3 | 12201211200120112 |
4 | 10321321331201 |
5 | 132031212411 |
6 | 12055421105 |
7 | 2016304052 |
oct | 471717541 |
9 | 181750515 |
10 | 82288481 |
11 | 424a4610 |
12 | 23684795 |
13 | 14081c12 |
14 | ad00729 |
15 | 7356b8b |
hex | 4e79f61 |
82288481 has 8 divisors (see below), whose sum is σ = 92195904. Its totient is φ = 72785520.
The previous prime is 82288469. The next prime is 82288501. The reversal of 82288481 is 18488228.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 82288481 - 214 = 82272097 is a prime.
It is a super-2 number, since 2×822884812 = 13542788210574722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82288781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100685 + ... + 101498.
It is an arithmetic number, because the mean of its divisors is an integer number (11524488).
Almost surely, 282288481 is an apocalyptic number.
It is an amenable number.
82288481 is a deficient number, since it is larger than the sum of its proper divisors (9907423).
82288481 is a wasteful number, since it uses less digits than its factorization.
82288481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202231.
The product of its digits is 65536, while the sum is 41.
The square root of 82288481 is about 9071.2998517302. The cubic root of 82288481 is about 434.9570239835.
The spelling of 82288481 in words is "eighty-two million, two hundred eighty-eight thousand, four hundred eighty-one".
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