Base | Representation |
---|---|
bin | 110110010010… |
… | …0111110011000 |
3 | 1222120001220012 |
4 | 1230210332120 |
5 | 24241304000 |
6 | 2454021052 |
7 | 463634336 |
oct | 154447630 |
9 | 58501805 |
10 | 28463000 |
11 | 15080745 |
12 | 9647788 |
13 | 5b87517 |
14 | 3accb56 |
15 | 2773735 |
hex | 1b24f98 |
28463000 has 32 divisors (see below), whose sum is σ = 66605760. Its totient is φ = 11384800.
The previous prime is 28462999. The next prime is 28463041. The reversal of 28463000 is 36482.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 13232 + ... + 15231.
It is an arithmetic number, because the mean of its divisors is an integer number (2081430).
Almost surely, 228463000 is an apocalyptic number.
28463000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28463000 is an abundant number, since it is smaller than the sum of its proper divisors (38142760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28463000 is a wasteful number, since it uses less digits than its factorization.
28463000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28484 (or 28470 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 28463000 is about 5335.0726330576. The cubic root of 28463000 is about 305.3234944464.
Adding to 28463000 its reverse (36482), we get a palindrome (28499482).
The spelling of 28463000 in words is "twenty-eight million, four hundred sixty-three thousand".
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