| Base | Representation |
|---|---|
| bin | 1100111000011… |
| … | …0100110111000 |
| 3 | 10202122221111000 |
| 4 | 3032012212320 |
| 5 | 102312404403 |
| 6 | 5210005000 |
| 7 | 1224144105 |
| oct | 316064670 |
| 9 | 122587430 |
| 10 | 54028728 |
| 11 | 28552646 |
| 12 | 16116760 |
| 13 | b269080 |
| 14 | 7265aac |
| 15 | 4b237a3 |
| hex | 33869b8 |
54028728 has 128 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 16329600.
The previous prime is 54028673. The next prime is 54028729. The reversal of 54028728 is 82782045.
It is a happy number.
54028728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 54028692 and 54028701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54028729) 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 31 ways as a sum of consecutive naturals, for example, 199233 + ... + 199503.
It is an arithmetic number, because the mean of its divisors is an integer number (1285200).
Almost surely, 254028728 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 54028728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82252800).
54028728 is an abundant number, since it is smaller than the sum of its proper divisors (110476872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54028728 is a wasteful number, since it uses less digits than its factorization.
54028728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370 (or 360 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 54028728 is about 7350.4236612593. The cubic root of 54028728 is about 378.0433308856.
It can be divided in two parts, 54028 and 728, that added together give a square (54756 = 2342).
The spelling of 54028728 in words is "fifty-four million, twenty-eight thousand, seven hundred twenty-eight".
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