Base | Representation |
---|---|
bin | 1100111010100… |
… | …11100111110101 |
3 | 21112212112120002 |
4 | 12131103213311 |
5 | 210214031340 |
6 | 14430121045 |
7 | 2453632046 |
oct | 635234765 |
9 | 245775502 |
10 | 108345845 |
11 | 56181923 |
12 | 30350185 |
13 | 195a648a |
14 | 105648cd |
15 | 97a2715 |
hex | 67539f5 |
108345845 has 16 divisors (see below), whose sum is σ = 138131568. Its totient is φ = 81300480.
The previous prime is 108345829. The next prime is 108345871. The reversal of 108345845 is 548543801.
It can be written as a sum of positive squares in 8 ways, for example, as 21893041 + 86452804 = 4679^2 + 9298^2 .
It is not a de Polignac number, because 108345845 - 24 = 108345829 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 108345799 and 108345808.
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 15 ways as a sum of consecutive naturals, for example, 24935 + ... + 28955.
It is an arithmetic number, because the mean of its divisors is an integer number (8633223).
Almost surely, 2108345845 is an apocalyptic number.
It is an amenable number.
108345845 is a deficient number, since it is larger than the sum of its proper divisors (29785723).
108345845 is a wasteful number, since it uses less digits than its factorization.
108345845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4360.
The product of its (nonzero) digits is 76800, while the sum is 38.
The square root of 108345845 is about 10408.9310210031. The cubic root of 108345845 is about 476.7281023938.
The spelling of 108345845 in words is "one hundred eight million, three hundred forty-five thousand, eight hundred forty-five".
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