Base | Representation |
---|---|
bin | 1100111101010… |
… | …11010100111101 |
3 | 21120112210100021 |
4 | 12132223110331 |
5 | 210312030320 |
6 | 14441532141 |
7 | 2456656306 |
oct | 636532475 |
9 | 246483307 |
10 | 108705085 |
11 | 563a7815 |
12 | 304a4051 |
13 | 196a0b48 |
14 | 106197ad |
15 | 9823daa |
hex | 67ab53d |
108705085 has 8 divisors (see below), whose sum is σ = 130773816. Its totient is φ = 86745600.
The previous prime is 108705059. The next prime is 108705119. The reversal of 108705085 is 580507801.
It can be written as a sum of positive squares in 4 ways, for example, as 19175641 + 89529444 = 4379^2 + 9462^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 108705085 - 29 = 108704573 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 108705085.
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, 25104 + ... + 29113.
It is an arithmetic number, because the mean of its divisors is an integer number (16346727).
Almost surely, 2108705085 is an apocalyptic number.
It is an amenable number.
108705085 is a deficient number, since it is larger than the sum of its proper divisors (22068731).
108705085 is an equidigital number, since it uses as much as digits as its factorization.
108705085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54623.
The product of its (nonzero) digits is 11200, while the sum is 34.
The square root of 108705085 is about 10426.1730754865. The cubic root of 108705085 is about 477.2544135184.
The spelling of 108705085 in words is "one hundred eight million, seven hundred five thousand, eighty-five".
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