Base | Representation |
---|---|
bin | 110111010010… |
… | …0000010100100 |
3 | 2000112111211111 |
4 | 1232210002210 |
5 | 24404432320 |
6 | 2513114404 |
7 | 501232612 |
oct | 156440244 |
9 | 60474744 |
10 | 28983460 |
11 | 153a6780 |
12 | 9858a04 |
13 | 600a39c |
14 | 3bc66b2 |
15 | 2827a5a |
hex | 1ba40a4 |
28983460 has 24 divisors (see below), whose sum is σ = 66398976. Its totient is φ = 10539360.
The previous prime is 28983431. The next prime is 28983467. The reversal of 28983460 is 6438982.
It is not an unprimeable number, because it can be changed into a prime (28983467) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65652 + ... + 66091.
It is an arithmetic number, because the mean of its divisors is an integer number (2766624).
Almost surely, 228983460 is an apocalyptic number.
28983460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28983460 is an abundant number, since it is smaller than the sum of its proper divisors (37415516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28983460 is a wasteful number, since it uses less digits than its factorization.
28983460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131763 (or 131761 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 40.
The square root of 28983460 is about 5383.6288876556. The cubic root of 28983460 is about 307.1732621269.
The spelling of 28983460 in words is "twenty-eight million, nine hundred eighty-three thousand, four hundred sixty".
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