Base | Representation |
---|---|
bin | 110110111101… |
… | …0101100011001 |
3 | 2000012220112002 |
4 | 1231322230121 |
5 | 24334022410 |
6 | 2505330345 |
7 | 466626065 |
oct | 155725431 |
9 | 60186462 |
10 | 28814105 |
11 | 152a0511 |
12 | 97969b5 |
13 | 5c7b288 |
14 | 3b80aa5 |
15 | 27e27a5 |
hex | 1b7ab19 |
28814105 has 8 divisors (see below), whose sum is σ = 34841664. Its totient is φ = 22874800.
The previous prime is 28814077. The next prime is 28814129. The reversal of 28814105 is 50141882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28814105 - 214 = 28797721 is a prime.
It is a Duffinian 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, 21341 + ... + 22650.
It is an arithmetic number, because the mean of its divisors is an integer number (4355208).
Almost surely, 228814105 is an apocalyptic number.
It is an amenable number.
28814105 is a deficient number, since it is larger than the sum of its proper divisors (6027559).
28814105 is a wasteful number, since it uses less digits than its factorization.
28814105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44127.
The product of its (nonzero) digits is 2560, while the sum is 29.
The square root of 28814105 is about 5367.8771409189. The cubic root of 28814105 is about 306.5738055059.
Adding to 28814105 its reverse (50141882), we get a palindrome (78955987).
The spelling of 28814105 in words is "twenty-eight million, eight hundred fourteen thousand, one hundred five".
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