Base | Representation |
---|---|
bin | 110101111000… |
… | …1000111100000 |
3 | 1222011021112020 |
4 | 1223301013200 |
5 | 24213004332 |
6 | 2445301440 |
7 | 462061146 |
oct | 153610740 |
9 | 58137466 |
10 | 28250592 |
11 | 14a460a7 |
12 | 9564880 |
13 | 5b11936 |
14 | 3a75596 |
15 | 273082c |
hex | 1af11e0 |
28250592 has 24 divisors (see below), whose sum is σ = 74158056. Its totient is φ = 9416832.
The previous prime is 28250591. The next prime is 28250597. The reversal of 28250592 is 29505282.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28250591) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147043 + ... + 147234.
It is an arithmetic number, because the mean of its divisors is an integer number (3089919).
Almost surely, 228250592 is an apocalyptic number.
It is an amenable number.
28250592 is an abundant number, since it is smaller than the sum of its proper divisors (45907464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28250592 is a wasteful number, since it uses less digits than its factorization.
28250592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294290 (or 294282 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 28250592 is about 5315.1285967510. The cubic root of 28250592 is about 304.5620948589.
The spelling of 28250592 in words is "twenty-eight million, two hundred fifty thousand, five hundred ninety-two".
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