Base | Representation |
---|---|
bin | 110110101001… |
… | …1001100001100 |
3 | 1222220200120022 |
4 | 1231103030030 |
5 | 24313333200 |
6 | 2502041312 |
7 | 465353255 |
oct | 155231414 |
9 | 58820508 |
10 | 28652300 |
11 | 1519a996 |
12 | 9719238 |
13 | 5c22731 |
14 | 3b3bb2c |
15 | 27ae885 |
hex | 1b5330c |
28652300 has 36 divisors (see below), whose sum is σ = 62558496. Its totient is φ = 11390400.
The previous prime is 28652297. The next prime is 28652329. The reversal of 28652300 is 325682.
It is a self number, because there is not a number n which added to its sum of digits gives 28652300.
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, 17309 + ... + 18891.
It is an arithmetic number, because the mean of its divisors is an integer number (1737736).
Almost surely, 228652300 is an apocalyptic number.
28652300 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 28652300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31279248).
28652300 is an abundant number, since it is smaller than the sum of its proper divisors (33906196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28652300 is a wasteful number, since it uses less digits than its factorization.
28652300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1778 (or 1771 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 28652300 is about 5352.7843222009. The cubic root of 28652300 is about 305.9988750724.
Adding to 28652300 its reverse (325682), we get a palindrome (28977982).
The spelling of 28652300 in words is "twenty-eight million, six hundred fifty-two thousand, three hundred".
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