Base | Representation |
---|---|
bin | 1001111001000… |
… | …11110101011111 |
3 | 12210011001001010 |
4 | 10330203311133 |
5 | 132220444122 |
6 | 12122350303 |
7 | 2025232461 |
oct | 474436537 |
9 | 183131033 |
10 | 82984287 |
11 | 4292a361 |
12 | 2395b393 |
13 | 14266839 |
14 | b042131 |
15 | 7442e0c |
hex | 4f23d5f |
82984287 has 8 divisors (see below), whose sum is σ = 113344560. Its totient is φ = 53973440.
The previous prime is 82984243. The next prime is 82984289. The reversal of 82984287 is 78248928.
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 82984287 - 214 = 82967903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82984289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337212 + ... + 337457.
It is an arithmetic number, because the mean of its divisors is an integer number (14168070).
Almost surely, 282984287 is an apocalyptic number.
82984287 is a deficient number, since it is larger than the sum of its proper divisors (30360273).
82984287 is a wasteful number, since it uses less digits than its factorization.
82984287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 674713.
The product of its digits is 516096, while the sum is 48.
The square root of 82984287 is about 9109.5711754176. The cubic root of 82984287 is about 436.1795388153.
The spelling of 82984287 in words is "eighty-two million, nine hundred eighty-four thousand, two hundred eighty-seven".
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