Base | Representation |
---|---|
bin | 1001111110110… |
… | …01011101001110 |
3 | 12211112211111200 |
4 | 10333121131032 |
5 | 132413300311 |
6 | 12150330330 |
7 | 2034451362 |
oct | 477313516 |
9 | 184484450 |
10 | 83728206 |
11 | 43298271 |
12 | 240599a6 |
13 | 14467323 |
14 | b1972a2 |
15 | 753d556 |
hex | 4fd974e |
83728206 has 24 divisors (see below), whose sum is σ = 181579944. Its totient is φ = 27883440.
The previous prime is 83728199. The next prime is 83728217. The reversal of 83728206 is 60282738.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34596 + ... + 36936.
It is an arithmetic number, because the mean of its divisors is an integer number (7565831).
Almost surely, 283728206 is an apocalyptic number.
83728206 is an abundant number, since it is smaller than the sum of its proper divisors (97851738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83728206 is a wasteful number, since it uses less digits than its factorization.
83728206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4336 (or 4333 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 83728206 is about 9150.3117979662. The cubic root of 83728206 is about 437.4790516228.
The spelling of 83728206 in words is "eighty-three million, seven hundred twenty-eight thousand, two hundred six".
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