Base | Representation |
---|---|
bin | 11000011011111… |
… | …01001111110100 |
3 | 112021201100000100 |
4 | 30031331033310 |
5 | 404434012312 |
6 | 32201314100 |
7 | 5036226606 |
oct | 1415751764 |
9 | 467640010 |
10 | 204985332 |
11 | a5788572 |
12 | 58795930 |
13 | 336114c6 |
14 | 1d31d176 |
15 | 12ee15dc |
hex | c37d3f4 |
204985332 has 18 divisors (see below), whose sum is σ = 518157458. Its totient is φ = 68328432.
The previous prime is 204985331. The next prime is 204985367. The reversal of 204985332 is 233589402.
It can be written as a sum of positive squares in only one way, i.e., 200675556 + 4309776 = 14166^2 + 2076^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5694037 = 204985332 / (2 + 0 + 4 + 9 + 8 + 5 + 3 + 3 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204985331) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 2846983 + ... + 2847054.
Almost surely, 2204985332 is an apocalyptic number.
It is an amenable number.
204985332 is an abundant number, since it is smaller than the sum of its proper divisors (313172126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204985332 is a wasteful number, since it uses less digits than its factorization.
204985332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5694047 (or 5694042 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 204985332 is about 14317.3088253345. The cubic root of 204985332 is about 589.6227905830.
The spelling of 204985332 in words is "two hundred four million, nine hundred eighty-five thousand, three hundred thirty-two".
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