Base | Representation |
---|---|
bin | 10001000010001… |
… | …111001010111001 |
3 | 201220210002122202 |
4 | 101002033022321 |
5 | 1041131032342 |
6 | 44205355545 |
7 | 10040152343 |
oct | 2102171271 |
9 | 656702582 |
10 | 285799097 |
11 | 137365101 |
12 | 7b868bb5 |
13 | 472980bc |
14 | 29d58293 |
15 | 1a156332 |
hex | 1108f2b9 |
285799097 has 8 divisors (see below), whose sum is σ = 288129600. Its totient is φ = 283477104.
The previous prime is 285799093. The next prime is 285799123. The reversal of 285799097 is 790997582.
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 285799097 - 22 = 285799093 is a prime.
It is a super-2 number, since 2×2857990972 = 163362247692030818, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (285799093) by changing a digit.
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, 76763 + ... + 80399.
It is an arithmetic number, because the mean of its divisors is an integer number (36016200).
Almost surely, 2285799097 is an apocalyptic number.
It is an amenable number.
285799097 is a deficient number, since it is larger than the sum of its proper divisors (2330503).
285799097 is a wasteful number, since it uses less digits than its factorization.
285799097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4255.
The product of its (nonzero) digits is 2857680, while the sum is 56.
The square root of 285799097 is about 16905.5936600878. The cubic root of 285799097 is about 658.6989190661.
The spelling of 285799097 in words is "two hundred eighty-five million, seven hundred ninety-nine thousand, ninety-seven".
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