Base | Representation |
---|---|
bin | 1001110010001… |
… | …00111100011100 |
3 | 12201102122200200 |
4 | 10321010330130 |
5 | 132002240244 |
6 | 12051023500 |
7 | 2014410666 |
oct | 471047434 |
9 | 181378620 |
10 | 82071324 |
11 | 42366445 |
12 | 2359ab90 |
13 | 1400711a |
14 | ac85536 |
15 | 7312669 |
hex | 4e44f1c |
82071324 has 18 divisors (see below), whose sum is σ = 207458160. Its totient is φ = 27357096.
The previous prime is 82071293. The next prime is 82071331. The reversal of 82071324 is 42317028.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×820713242 = 13471404446225952, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1139844 + ... + 1139915.
Almost surely, 282071324 is an apocalyptic number.
It is an amenable number.
82071324 is an abundant number, since it is smaller than the sum of its proper divisors (125386836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82071324 is a wasteful number, since it uses less digits than its factorization.
82071324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2279769 (or 2279764 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 82071324 is about 9059.3224912242. The cubic root of 82071324 is about 434.5740737801.
The spelling of 82071324 in words is "eighty-two million, seventy-one thousand, three hundred twenty-four".
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