Base | Representation |
---|---|
bin | 1001111000011… |
… | …10000001000011 |
3 | 12202222111110001 |
4 | 10330032001003 |
5 | 132210114130 |
6 | 12120420431 |
7 | 2024411065 |
oct | 474160103 |
9 | 182874401 |
10 | 82894915 |
11 | 428791a4 |
12 | 23917717 |
13 | 14234c5c |
14 | b01b735 |
15 | 74266ca |
hex | 4f0e043 |
82894915 has 16 divisors (see below), whose sum is σ = 102368448. Its totient is φ = 64411776.
The previous prime is 82894897. The next prime is 82894919. The reversal of 82894915 is 51949828.
It is a cyclic number.
It is not a de Polignac number, because 82894915 - 25 = 82894883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82894919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25777 + ... + 28813.
It is an arithmetic number, because the mean of its divisors is an integer number (6398028).
Almost surely, 282894915 is an apocalyptic number.
82894915 is a deficient number, since it is larger than the sum of its proper divisors (19473533).
82894915 is a wasteful number, since it uses less digits than its factorization.
82894915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3198.
The product of its digits is 207360, while the sum is 46.
The square root of 82894915 is about 9104.6644638888. The cubic root of 82894915 is about 436.0228977538.
The spelling of 82894915 in words is "eighty-two million, eight hundred ninety-four thousand, nine hundred fifteen".
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