Base | Representation |
---|---|
bin | 110101111111… |
… | …1001010000000 |
3 | 1222021012102000 |
4 | 1223333022000 |
5 | 24221324341 |
6 | 2450424000 |
7 | 462420615 |
oct | 153771200 |
9 | 58235360 |
10 | 28308096 |
11 | 14a85323 |
12 | 9592000 |
13 | 5b31b6b |
14 | 3a8c50c |
15 | 27428b6 |
hex | 1aff280 |
28308096 has 64 divisors (see below), whose sum is σ = 83558400. Its totient is φ = 9434880.
The previous prime is 28308083. The next prime is 28308109. The reversal of 28308096 is 69080382.
It is an interprime number because it is at equal distance from previous prime (28308083) and next prime (28308109).
It is a tau number, because it is divible by the number of its divisors (64).
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 28308096.
It is an unprimeable number.
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, 640 + ... + 7551.
It is an arithmetic number, because the mean of its divisors is an integer number (1305600).
Almost surely, 228308096 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 28308096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41779200).
28308096 is an abundant number, since it is smaller than the sum of its proper divisors (55250304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28308096 is an equidigital number, since it uses as much as digits as its factorization.
28308096 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8214 (or 8196 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 28308096 is about 5320.5353114137. The cubic root of 28308096 is about 304.7685999025.
The spelling of 28308096 in words is "twenty-eight million, three hundred eight thousand, ninety-six".
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