Base | Representation |
---|---|
bin | 110110010101… |
… | …1000111101000 |
3 | 1222121100102100 |
4 | 1230223013220 |
5 | 24243110133 |
6 | 2454333400 |
7 | 464100612 |
oct | 154530750 |
9 | 58540370 |
10 | 28488168 |
11 | 15098645 |
12 | 965a260 |
13 | 5b95b07 |
14 | 3ad7db2 |
15 | 277ae13 |
hex | 1b2b1e8 |
28488168 has 48 divisors (see below), whose sum is σ = 80514720. Its totient is φ = 9082656.
The previous prime is 28488167. The next prime is 28488197. The reversal of 28488168 is 86188482.
It is a happy number.
28488168 is a `hidden beast` number, since 2 + 8 + 488 + 168 = 666.
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 (28488167) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 6946 + ... + 10257.
It is an arithmetic number, because the mean of its divisors is an integer number (1677390).
Almost surely, 228488168 is an apocalyptic number.
It is an amenable number.
28488168 is an abundant number, since it is smaller than the sum of its proper divisors (52026552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28488168 is a wasteful number, since it uses less digits than its factorization.
28488168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17238 (or 17231 counting only the distinct ones).
The product of its digits is 196608, while the sum is 45.
The square root of 28488168 is about 5337.4308426433. The cubic root of 28488168 is about 305.4134605765.
The spelling of 28488168 in words is "twenty-eight million, four hundred eighty-eight thousand, one hundred sixty-eight".
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