Base | Representation |
---|---|
bin | 1001110100100… |
… | …01111111000111 |
3 | 12202000200120012 |
4 | 10322101333013 |
5 | 132042340022 |
6 | 12101500435 |
7 | 2020164002 |
oct | 472217707 |
9 | 182020505 |
10 | 82386887 |
11 | 42561540 |
12 | 2371171b |
13 | 140b794b |
14 | ad28539 |
15 | 7375de2 |
hex | 4e91fc7 |
82386887 has 8 divisors (see below), whose sum is σ = 90702480. Its totient is φ = 74208960.
The previous prime is 82386859. The next prime is 82386937. The reversal of 82386887 is 78868328.
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 82386887 - 26 = 82386823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82386287) 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, 33158 + ... + 35555.
It is an arithmetic number, because the mean of its divisors is an integer number (11337810).
Almost surely, 282386887 is an apocalyptic number.
82386887 is a deficient number, since it is larger than the sum of its proper divisors (8315593).
82386887 is a wasteful number, since it uses less digits than its factorization.
82386887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68833.
The product of its digits is 1032192, while the sum is 50.
The square root of 82386887 is about 9076.7222608164. The cubic root of 82386887 is about 435.1303383597.
The spelling of 82386887 in words is "eighty-two million, three hundred eighty-six thousand, eight hundred eighty-seven".
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