Base | Representation |
---|---|
bin | 1001111001000… |
… | …11000010100110 |
3 | 12210010212120111 |
4 | 10330203002212 |
5 | 132220343110 |
6 | 12122323234 |
7 | 2025220126 |
oct | 474430246 |
9 | 183125514 |
10 | 82981030 |
11 | 42927970 |
12 | 2395951a |
13 | 14265202 |
14 | b040c86 |
15 | 7441e8a |
hex | 4f230a6 |
82981030 has 16 divisors (see below), whose sum is σ = 162944784. Its totient is φ = 30174880.
The previous prime is 82981027. The next prime is 82981043. The reversal of 82981030 is 3018928.
It is a junction number, because it is equal to n+sod(n) for n = 82980983 and 82981001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377077 + ... + 377296.
It is an arithmetic number, because the mean of its divisors is an integer number (10184049).
Almost surely, 282981030 is an apocalyptic number.
82981030 is a deficient number, since it is larger than the sum of its proper divisors (79963754).
82981030 is a wasteful number, since it uses less digits than its factorization.
82981030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754391.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 82981030 is about 9109.3924056437. The cubic root of 82981030 is about 436.1738322918.
Adding to 82981030 its reverse (3018928), we get a palindrome (85999958).
The spelling of 82981030 in words is "eighty-two million, nine hundred eighty-one thousand, thirty".
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