Base | Representation |
---|---|
bin | 110101111100… |
… | …0111110001000 |
3 | 1222012220122122 |
4 | 1223320332020 |
5 | 24220022020 |
6 | 2450110412 |
7 | 462254012 |
oct | 153707610 |
9 | 58186578 |
10 | 28282760 |
11 | 14a68290 |
12 | 957b408 |
13 | 5b2347c |
14 | 3a831b2 |
15 | 273a125 |
hex | 1af8f88 |
28282760 has 32 divisors (see below), whose sum is σ = 69422400. Its totient is φ = 10284480.
The previous prime is 28282741. The next prime is 28282817. The reversal of 28282760 is 6728282.
It is a self number, because there is not a number n which added to its sum of digits gives 28282760.
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, 31700 + ... + 32579.
It is an arithmetic number, because the mean of its divisors is an integer number (2169450).
Almost surely, 228282760 is an apocalyptic number.
28282760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28282760 is an abundant number, since it is smaller than the sum of its proper divisors (41139640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28282760 is a wasteful number, since it uses less digits than its factorization.
28282760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64301 (or 64297 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 28282760 is about 5318.1538150001. The cubic root of 28282760 is about 304.6776492191.
The spelling of 28282760 in words is "twenty-eight million, two hundred eighty-two thousand, seven hundred sixty".
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