Base | Representation |
---|---|
bin | 11000010101011… |
… | …00011111101101 |
3 | 112020002220002221 |
4 | 30022230133231 |
5 | 404224132120 |
6 | 32131115341 |
7 | 5026036012 |
oct | 1412543755 |
9 | 466086087 |
10 | 204130285 |
11 | a5254117 |
12 | 58442b51 |
13 | 333a2268 |
14 | 1d179709 |
15 | 12dc30aa |
hex | c2ac7ed |
204130285 has 8 divisors (see below), whose sum is σ = 245034720. Its totient is φ = 163251984.
The previous prime is 204130261. The next prime is 204130291. The reversal of 204130285 is 582031402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 204130285 - 211 = 204128237 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21954 + ... + 29836.
It is an arithmetic number, because the mean of its divisors is an integer number (30629340).
Almost surely, 2204130285 is an apocalyptic number.
It is an amenable number.
204130285 is a deficient number, since it is larger than the sum of its proper divisors (40904435).
204130285 is an equidigital number, since it uses as much as digits as its factorization.
204130285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13067.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 204130285 is about 14287.4170163819. The cubic root of 204130285 is about 588.8018248263.
Adding to 204130285 its reverse (582031402), we get a palindrome (786161687).
The spelling of 204130285 in words is "two hundred four million, one hundred thirty thousand, two hundred eighty-five".
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