Base | Representation |
---|---|
bin | 1001111000110… |
… | …11011011011010 |
3 | 12210002021210200 |
4 | 10330123123122 |
5 | 132213343400 |
6 | 12121523030 |
7 | 2025030204 |
oct | 474333332 |
9 | 183067720 |
10 | 82949850 |
11 | 429064a5 |
12 | 23943476 |
13 | 14253c69 |
14 | b033774 |
15 | 7437b00 |
hex | 4f1b6da |
82949850 has 36 divisors (see below), whose sum is σ = 222859806. Its totient is φ = 22119840.
The previous prime is 82949843. The next prime is 82949861. The reversal of 82949850 is 5894928.
It can be written as a sum of positive squares in 3 ways, for example, as 46335249 + 36614601 = 6807^2 + 6051^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 82949796 and 82949805.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 91717 + ... + 92616.
Almost surely, 282949850 is an apocalyptic number.
82949850 is an abundant number, since it is smaller than the sum of its proper divisors (139909956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82949850 is a wasteful number, since it uses less digits than its factorization.
82949850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184351 (or 184343 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 45.
The square root of 82949850 is about 9107.6808244470. The cubic root of 82949850 is about 436.1191948892.
The spelling of 82949850 in words is "eighty-two million, nine hundred forty-nine thousand, eight hundred fifty".
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