Base | Representation |
---|---|
bin | 1001110001101… |
… | …11101100011001 |
3 | 12201022220020111 |
4 | 10320313230121 |
5 | 131444021144 |
6 | 12045524321 |
7 | 2014063522 |
oct | 470675431 |
9 | 181286214 |
10 | 82017049 |
11 | 42329694 |
12 | 235736a1 |
13 | 13cb84ca |
14 | ac6d849 |
15 | 7301534 |
hex | 4e37b19 |
82017049 has 8 divisors (see below), whose sum is σ = 84378240. Its totient is φ = 79663536.
The previous prime is 82017043. The next prime is 82017059. The reversal of 82017049 is 94071028.
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 82017049 - 29 = 82016537 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 82017049.
It is not an unprimeable number, because it can be changed into a prime (82017043) 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, 25062 + ... + 28144.
It is an arithmetic number, because the mean of its divisors is an integer number (10547280).
Almost surely, 282017049 is an apocalyptic number.
It is an amenable number.
82017049 is a deficient number, since it is larger than the sum of its proper divisors (2361191).
82017049 is a wasteful number, since it uses less digits than its factorization.
82017049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3839.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 82017049 is about 9056.3264627552. The cubic root of 82017049 is about 434.4782558663.
The spelling of 82017049 in words is "eighty-two million, seventeen thousand, forty-nine".
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