Base | Representation |
---|---|
bin | 110110100001… |
… | …0100101100110 |
3 | 1222210020021120 |
4 | 1231002211212 |
5 | 24304144134 |
6 | 2500354410 |
7 | 464651064 |
oct | 155024546 |
9 | 58706246 |
10 | 28584294 |
11 | 15153892 |
12 | 96a5a06 |
13 | 5bca7ab |
14 | 3b21034 |
15 | 2799649 |
hex | 1b42966 |
28584294 has 32 divisors (see below), whose sum is σ = 59360256. Its totient is φ = 9166560.
The previous prime is 28584289. The next prime is 28584307. The reversal of 28584294 is 49248582.
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, 41884 + ... + 42560.
It is an arithmetic number, because the mean of its divisors is an integer number (1855008).
Almost surely, 228584294 is an apocalyptic number.
28584294 is an abundant number, since it is smaller than the sum of its proper divisors (30775962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28584294 is a wasteful number, since it uses less digits than its factorization.
28584294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 940.
The product of its digits is 184320, while the sum is 42.
The square root of 28584294 is about 5346.4281534497. The cubic root of 28584294 is about 305.7565880056.
It can be divided in two parts, 2 and 8584294, that added together give a triangular number (8584296 = T4143).
The spelling of 28584294 in words is "twenty-eight million, five hundred eighty-four thousand, two hundred ninety-four".
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