Base | Representation |
---|---|
bin | 110110011100… |
… | …0000100010000 |
3 | 1222201001011111 |
4 | 1230320010100 |
5 | 24301304300 |
6 | 2455423104 |
7 | 464411332 |
oct | 154700420 |
9 | 58631144 |
10 | 28541200 |
11 | 15124476 |
12 | 9684a94 |
13 | 5bb3cac |
14 | 3b0d452 |
15 | 278b9ba |
hex | 1b38110 |
28541200 has 30 divisors (see below), whose sum is σ = 68571194. Its totient is φ = 11416320.
The previous prime is 28541167. The next prime is 28541203. The reversal of 28541200 is 214582.
It can be written as a sum of positive squares in 3 ways, for example, as 9461776 + 19079424 = 3076^2 + 4368^2 .
It is not an unprimeable number, because it can be changed into a prime (28541203) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35277 + ... + 36076.
Almost surely, 228541200 is an apocalyptic number.
28541200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28541200 is an abundant number, since it is smaller than the sum of its proper divisors (40029994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28541200 is a wasteful number, since it uses less digits than its factorization.
28541200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71371 (or 71360 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 28541200 is about 5342.3964660066. The cubic root of 28541200 is about 305.6028567115.
Adding to 28541200 its reverse (214582), we get a palindrome (28755782).
The spelling of 28541200 in words is "twenty-eight million, five hundred forty-one thousand, two hundred".
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