Base | Representation |
---|---|
bin | 110110110111… |
… | …1011101010011 |
3 | 2000010120101120 |
4 | 1231233131103 |
5 | 24331034313 |
6 | 2504333323 |
7 | 466344651 |
oct | 155573523 |
9 | 60116346 |
10 | 28768083 |
11 | 15269983 |
12 | 9774243 |
13 | 5c63346 |
14 | 3b6bdd1 |
15 | 27d3d23 |
hex | 1b6f753 |
28768083 has 8 divisors (see below), whose sum is σ = 38410896. Its totient is φ = 19152000.
The previous prime is 28768081. The next prime is 28768111. The reversal of 28768083 is 38086782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28768083 - 21 = 28768081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28768081) 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 7 ways as a sum of consecutive naturals, for example, 4018 + ... + 8583.
It is an arithmetic number, because the mean of its divisors is an integer number (4801362).
Almost surely, 228768083 is an apocalyptic number.
28768083 is a deficient number, since it is larger than the sum of its proper divisors (9642813).
28768083 is a wasteful number, since it uses less digits than its factorization.
28768083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13365.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 28768083 is about 5363.5886307583. The cubic root of 28768083 is about 306.4104982405.
The spelling of 28768083 in words is "twenty-eight million, seven hundred sixty-eight thousand, eighty-three".
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