Base | Representation |
---|---|
bin | 1001111111111… |
… | …11110000011000 |
3 | 12211211210200211 |
4 | 10333333300120 |
5 | 132433310310 |
6 | 12153540504 |
7 | 2036003626 |
oct | 477776030 |
9 | 184753624 |
10 | 83885080 |
11 | 43395114 |
12 | 24114734 |
13 | 144c0856 |
14 | b1d8516 |
15 | 756ec8a |
hex | 4fffc18 |
83885080 has 32 divisors (see below), whose sum is σ = 191406240. Its totient is φ = 33080320.
The previous prime is 83885077. The next prime is 83885093. The reversal of 83885080 is 8058838.
It is a Harshad number since it is a multiple of its sum of digits (40).
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 7 ways as a sum of consecutive naturals, for example, 11929 + ... + 17608.
It is an arithmetic number, because the mean of its divisors is an integer number (5981445).
Almost surely, 283885080 is an apocalyptic number.
It is an amenable number.
83885080 is an abundant number, since it is smaller than the sum of its proper divisors (107521160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83885080 is a wasteful number, since it uses less digits than its factorization.
83885080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29619 (or 29615 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 40.
The square root of 83885080 is about 9158.8798441731. The cubic root of 83885080 is about 437.7521028648.
The spelling of 83885080 in words is "eighty-three million, eight hundred eighty-five thousand, eighty".
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