Base | Representation |
---|---|
bin | 110110110001… |
… | …0000010001000 |
3 | 2000000202222000 |
4 | 1231202002020 |
5 | 24322304341 |
6 | 2503231000 |
7 | 466025436 |
oct | 155420210 |
9 | 60022860 |
10 | 28713096 |
11 | 15231635 |
12 | 9748460 |
13 | 5c442c9 |
14 | 3b55d56 |
15 | 27c28b6 |
hex | 1b62088 |
28713096 has 64 divisors (see below), whose sum is σ = 80203200. Its totient is φ = 9517824.
The previous prime is 28713089. The next prime is 28713109. The reversal of 28713096 is 69031782.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 28713096.
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, 66096 + ... + 66528.
It is an arithmetic number, because the mean of its divisors is an integer number (1253175).
Almost surely, 228713096 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28713096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40101600).
28713096 is an abundant number, since it is smaller than the sum of its proper divisors (51490104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28713096 is a wasteful number, since it uses less digits than its factorization.
28713096 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 755 (or 745 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 28713096 is about 5358.4602265949. The cubic root of 28713096 is about 306.2151504979.
The spelling of 28713096 in words is "twenty-eight million, seven hundred thirteen thousand, ninety-six".
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