Base | Representation |
---|---|
bin | 1100111101010… |
… | …11010100010010 |
3 | 21120112210021200 |
4 | 12132223110102 |
5 | 210312030132 |
6 | 14441532030 |
7 | 2456656215 |
oct | 636532422 |
9 | 246483250 |
10 | 108705042 |
11 | 563a7786 |
12 | 304a4016 |
13 | 196a0b14 |
14 | 1061977c |
15 | 9823d7c |
hex | 67ab512 |
108705042 has 36 divisors (see below), whose sum is σ = 248591070. Its totient is φ = 34325856.
The previous prime is 108705041. The next prime is 108705059. The reversal of 108705042 is 240507801.
It can be written as a sum of positive squares in only one way, i.e., 86322681 + 22382361 = 9291^2 + 4731^2 .
It is a junction number, because it is equal to n+sod(n) for n = 108704997 and 108705015.
It is not an unprimeable number, because it can be changed into a prime (108705041) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1867 + ... + 14862.
Almost surely, 2108705042 is an apocalyptic number.
108705042 is an abundant number, since it is smaller than the sum of its proper divisors (139886028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108705042 is a wasteful number, since it uses less digits than its factorization.
108705042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16775 (or 16753 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 108705042 is about 10426.1710133682. The cubic root of 108705042 is about 477.2543505899.
The spelling of 108705042 in words is "one hundred eight million, seven hundred five thousand, forty-two".
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