Base | Representation |
---|---|
bin | 1001110111100… |
… | …10101100110001 |
3 | 12202202210221222 |
4 | 10323302230301 |
5 | 132143024100 |
6 | 12114154425 |
7 | 2023433633 |
oct | 473625461 |
9 | 182683858 |
10 | 82783025 |
11 | 42802126 |
12 | 23882a15 |
13 | 141c6050 |
14 | adcca53 |
15 | 7403485 |
hex | 4ef2b31 |
82783025 has 24 divisors (see below), whose sum is σ = 111242880. Its totient is φ = 60747840.
The previous prime is 82783007. The next prime is 82783031. The reversal of 82783025 is 52038728.
It is a happy number.
It is not a de Polignac number, because 82783025 - 216 = 82717489 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57464 + ... + 58886.
It is an arithmetic number, because the mean of its divisors is an integer number (4635120).
Almost surely, 282783025 is an apocalyptic number.
It is an amenable number.
82783025 is a deficient number, since it is larger than the sum of its proper divisors (28459855).
82783025 is a wasteful number, since it uses less digits than its factorization.
82783025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1625 (or 1620 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 82783025 is about 9098.5177364228. The cubic root of 82783025 is about 435.8266309143.
The spelling of 82783025 in words is "eighty-two million, seven hundred eighty-three thousand, twenty-five".
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