Base | Representation |
---|---|
bin | 11000010100111… |
… | …00110010101000 |
3 | 112012222121212112 |
4 | 30022130302220 |
5 | 404220102320 |
6 | 32125501452 |
7 | 5025350330 |
oct | 1412346250 |
9 | 465877775 |
10 | 204065960 |
11 | a520a85a |
12 | 58411888 |
13 | 3337bbb7 |
14 | 1d1600c0 |
15 | 12dadec5 |
hex | c29cca8 |
204065960 has 128 divisors (see below), whose sum is σ = 569099520. Its totient is φ = 64253952.
The previous prime is 204065957. The next prime is 204065971. The reversal of 204065960 is 69560402.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204182 + ... + 205178.
It is an arithmetic number, because the mean of its divisors is an integer number (4446090).
Almost surely, 2204065960 is an apocalyptic number.
204065960 is a gapful number since it is divisible by the number (20) 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 204065960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284549760).
204065960 is an abundant number, since it is smaller than the sum of its proper divisors (365033560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204065960 is a wasteful number, since it uses less digits than its factorization.
204065960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1075 (or 1071 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 204065960 is about 14285.1657323253. The cubic root of 204065960 is about 588.7399710999.
The spelling of 204065960 in words is "two hundred four million, sixty-five thousand, nine hundred sixty".
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