Base | Representation |
---|---|
bin | 1001110111111… |
… | …10010000101010 |
3 | 12202212012220210 |
4 | 10323332100222 |
5 | 132201033003 |
6 | 12115201550 |
7 | 2024021661 |
oct | 473762052 |
9 | 182765823 |
10 | 82830378 |
11 | 42834764 |
12 | 238a62b6 |
13 | 14211777 |
14 | b001dd8 |
15 | 7412503 |
hex | 4efe42a |
82830378 has 16 divisors (see below), whose sum is σ = 166854240. Its totient is φ = 27411216.
The previous prime is 82830353. The next prime is 82830379. The reversal of 82830378 is 87303828.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (82830379) 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, 48825 + ... + 50492.
It is an arithmetic number, because the mean of its divisors is an integer number (10428390).
Almost surely, 282830378 is an apocalyptic number.
82830378 is an abundant number, since it is smaller than the sum of its proper divisors (84023862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82830378 is a wasteful number, since it uses less digits than its factorization.
82830378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99461.
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 82830378 is about 9101.1196014556. The cubic root of 82830378 is about 435.9097146330.
The spelling of 82830378 in words is "eighty-two million, eight hundred thirty thousand, three hundred seventy-eight".
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