Base | Representation |
---|---|
bin | 1001111111100… |
… | …01001011101100 |
3 | 12211201202211000 |
4 | 10333301023230 |
5 | 132424403023 |
6 | 12152400300 |
7 | 2035334613 |
oct | 477611354 |
9 | 184652730 |
10 | 83825388 |
11 | 43354289 |
12 | 240a6090 |
13 | 1449c62a |
14 | b1c087a |
15 | 755c243 |
hex | 4ff12ec |
83825388 has 36 divisors (see below), whose sum is σ = 217572040. Its totient is φ = 27910080.
The previous prime is 83825377. The next prime is 83825431. The reversal of 83825388 is 88352838.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
83825388 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
83825388 is strictly pandigital in base 9.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94708 + ... + 95588.
Almost surely, 283825388 is an apocalyptic number.
It is an amenable number.
83825388 is an abundant number, since it is smaller than the sum of its proper divisors (133746652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83825388 is an equidigital number, since it uses as much as digits as its factorization.
83825388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1775 (or 886 counting only the distinct ones).
The product of its digits is 368640, while the sum is 45.
The square root of 83825388 is about 9155.6205688091. The cubic root of 83825388 is about 437.6482445108.
The spelling of 83825388 in words is "eighty-three million, eight hundred twenty-five thousand, three hundred eighty-eight".
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