Base | Representation |
---|---|
bin | 110110111111… |
… | …1101101111000 |
3 | 2000020221202010 |
4 | 1231333231320 |
5 | 24340202210 |
6 | 2510005520 |
7 | 500043060 |
oct | 155775570 |
9 | 60227663 |
10 | 28834680 |
11 | 15304a16 |
12 | 97a68a0 |
13 | 5c87754 |
14 | 3b883a0 |
15 | 27e8920 |
hex | 1b7fb78 |
28834680 has 64 divisors (see below), whose sum is σ = 98864640. Its totient is φ = 6590592.
The previous prime is 28834679. The next prime is 28834717. The reversal of 28834680 is 8643882.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16324 + ... + 18003.
It is an arithmetic number, because the mean of its divisors is an integer number (1544760).
Almost surely, 228834680 is an apocalyptic number.
28834680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28834680 is an abundant number, since it is smaller than the sum of its proper divisors (70029960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28834680 is a wasteful number, since it uses less digits than its factorization.
28834680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34348 (or 34344 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 28834680 is about 5369.7932921110. The cubic root of 28834680 is about 306.6467588421.
The spelling of 28834680 in words is "twenty-eight million, eight hundred thirty-four thousand, six hundred eighty".
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