Base | Representation |
---|---|
bin | 1000111000110100… |
… | …0010111001000001 |
3 | 20011021021101220122 |
4 | 2032031002321001 |
5 | 14341230100020 |
6 | 1032423350025 |
7 | 113056555415 |
oct | 21615027101 |
9 | 6137241818 |
10 | 2385784385 |
11 | 1014793136 |
12 | 566bb2315 |
13 | 2c037c34a |
14 | 188bdcd45 |
15 | de6b9125 |
hex | 8e342e41 |
2385784385 has 8 divisors (see below), whose sum is σ = 2876510976. Its totient is φ = 1899581040.
The previous prime is 2385784339. The next prime is 2385784393. The reversal of 2385784385 is 5834875832.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2385784385 - 214 = 2385768001 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129649 + ... + 1131758.
It is an arithmetic number, because the mean of its divisors is an integer number (359563872).
Almost surely, 22385784385 is an apocalyptic number.
It is an amenable number.
2385784385 is a deficient number, since it is larger than the sum of its proper divisors (490726591).
2385784385 is a wasteful number, since it uses less digits than its factorization.
2385784385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2261623.
The product of its digits is 6451200, while the sum is 53.
The square root of 2385784385 is about 48844.4918593694. The cubic root of 2385784385 is about 1336.2172189819.
The spelling of 2385784385 in words is "two billion, three hundred eighty-five million, seven hundred eighty-four thousand, three hundred eighty-five".
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