Base | Representation |
---|---|
bin | 110101100100… |
… | …0001010111101 |
3 | 1221211202110120 |
4 | 1223020022331 |
5 | 24142123002 |
6 | 2441525153 |
7 | 460462164 |
oct | 153101275 |
9 | 57752416 |
10 | 28082877 |
11 | 14941099 |
12 | 94a37b9 |
13 | 5a834b4 |
14 | 3a303db |
15 | 26eacbc |
hex | 1ac82bd |
28082877 has 8 divisors (see below), whose sum is σ = 37587264. Its totient is φ = 18650208.
The previous prime is 28082867. The next prime is 28082891. The reversal of 28082877 is 77828082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28082877 - 27 = 28082749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28082837) 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, 17008 + ... + 18585.
It is an arithmetic number, because the mean of its divisors is an integer number (4698408).
Almost surely, 228082877 is an apocalyptic number.
It is an amenable number.
28082877 is a deficient number, since it is larger than the sum of its proper divisors (9504387).
28082877 is a wasteful number, since it uses less digits than its factorization.
28082877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35859.
The product of its (nonzero) digits is 100352, while the sum is 42.
The square root of 28082877 is about 5299.3279762627. The cubic root of 28082877 is about 303.9582013457.
The spelling of 28082877 in words is "twenty-eight million, eighty-two thousand, eight hundred seventy-seven".
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