Base | Representation |
---|---|
bin | 110110110011… |
… | …0001111000000 |
3 | 2000001122120100 |
4 | 1231212033000 |
5 | 24323332204 |
6 | 2503442400 |
7 | 466126551 |
oct | 155461700 |
9 | 60048510 |
10 | 28730304 |
11 | 15243559 |
12 | 9756400 |
13 | 5c4c0a5 |
14 | 3b5c328 |
15 | 27c7a39 |
hex | 1b663c0 |
28730304 has 84 divisors (see below), whose sum is σ = 85059520. Its totient is φ = 9262080.
The previous prime is 28730297. The next prime is 28730341. The reversal of 28730304 is 40303782.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17052 + ... + 18660.
Almost surely, 228730304 is an apocalyptic number.
28730304 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 28730304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42529760).
28730304 is an abundant number, since it is smaller than the sum of its proper divisors (56329216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28730304 is a wasteful number, since it uses less digits than its factorization.
28730304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1658 (or 1645 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 28730304 is about 5360.0656712395. The cubic root of 28730304 is about 306.2763107202.
The spelling of 28730304 in words is "twenty-eight million, seven hundred thirty thousand, three hundred four".
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