Base | Representation |
---|---|
bin | 110111000001… |
… | …1000100000000 |
3 | 2000021122112200 |
4 | 1232003010000 |
5 | 24341122014 |
6 | 2510153200 |
7 | 500131035 |
oct | 156030400 |
9 | 60248480 |
10 | 28848384 |
11 | 15314244 |
12 | 97b2800 |
13 | 5c90a66 |
14 | 3b8d38c |
15 | 27eca09 |
hex | 1b83100 |
28848384 has 108 divisors (see below), whose sum is σ = 87687600. Its totient is φ = 9096192.
The previous prime is 28848361. The next prime is 28848389. The reversal of 28848384 is 48384882.
It is a happy number.
It is a super-2 number, since 2×288483842 = 1664458518822912, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (28848389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43447 + ... + 44105.
Almost surely, 228848384 is an apocalyptic number.
28848384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28848384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43843800).
28848384 is an abundant number, since it is smaller than the sum of its proper divisors (58839216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28848384 is a wasteful number, since it uses less digits than its factorization.
28848384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700 (or 683 counting only the distinct ones).
The product of its digits is 393216, while the sum is 45.
The square root of 28848384 is about 5371.0691673074. The cubic root of 28848384 is about 306.6953302340.
The spelling of 28848384 in words is "twenty-eight million, eight hundred forty-eight thousand, three hundred eighty-four".
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