Base | Representation |
---|---|
bin | 1100111000100… |
… | …00100000001000 |
3 | 21112100120102200 |
4 | 12130100200020 |
5 | 210131232140 |
6 | 14420200200 |
7 | 2451405366 |
oct | 634204010 |
9 | 245316380 |
10 | 108070920 |
11 | 56004311 |
12 | 30239060 |
13 | 1950b2b9 |
14 | 104d2636 |
15 | 974b030 |
hex | 6710808 |
108070920 has 96 divisors (see below), whose sum is σ = 355282200. Its totient is φ = 28486656.
The previous prime is 108070913. The next prime is 108070931. The reversal of 108070920 is 29070801.
It can be written as a sum of positive squares in 4 ways, for example, as 99321156 + 8749764 = 9966^2 + 2958^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30354 + ... + 33726.
Almost surely, 2108070920 is an apocalyptic number.
108070920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 108070920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177641100).
108070920 is an abundant number, since it is smaller than the sum of its proper divisors (247211280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108070920 is a wasteful number, since it uses less digits than its factorization.
108070920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3479 (or 3472 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 108070920 is about 10395.7164255284. The cubic root of 108070920 is about 476.3245321177.
The spelling of 108070920 in words is "one hundred eight million, seventy thousand, nine hundred twenty".
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