Base | Representation |
---|---|
bin | 110101100000… |
… | …1000111110000 |
3 | 1221210021212001 |
4 | 1223001013300 |
5 | 24140212000 |
6 | 2441143344 |
7 | 460312042 |
oct | 153010760 |
9 | 57707761 |
10 | 28054000 |
11 | 14921427 |
12 | 948ab54 |
13 | 5a73300 |
14 | 3a23a92 |
15 | 26e246a |
hex | 1ac11f0 |
28054000 has 120 divisors (see below), whose sum is σ = 74338992. Its totient is φ = 10233600.
The previous prime is 28053983. The next prime is 28054003. The reversal of 28054000 is 45082.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28054003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337959 + ... + 338041.
Almost surely, 228054000 is an apocalyptic number.
28054000 is a gapful number since it is divisible by the number (20) 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 28054000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37169496).
28054000 is an abundant number, since it is smaller than the sum of its proper divisors (46284992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28054000 is a wasteful number, since it uses less digits than its factorization.
28054000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132 (or 103 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 28054000 is about 5296.6026847405. The cubic root of 28054000 is about 303.8539811212.
Adding to 28054000 its reverse (45082), we get a palindrome (28099082).
The spelling of 28054000 in words is "twenty-eight million, fifty-four thousand".
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