Base | Representation |
---|---|
bin | 110101110111… |
… | …1111100110110 |
3 | 1222011000222021 |
4 | 1223233330312 |
5 | 24212331224 |
6 | 2445223354 |
7 | 462041212 |
oct | 153577466 |
9 | 58130867 |
10 | 28245814 |
11 | 14a42553 |
12 | 9561b5a |
13 | 5b0c6cc |
14 | 3a73942 |
15 | 272e1e4 |
hex | 1aeff36 |
28245814 has 8 divisors (see below), whose sum is σ = 42439680. Its totient is φ = 14099256.
The previous prime is 28245809. The next prime is 28245821. The reversal of 28245814 is 41854282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 28245814.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10294 + ... + 12745.
It is an arithmetic number, because the mean of its divisors is an integer number (5304960).
Almost surely, 228245814 is an apocalyptic number.
28245814 is a deficient number, since it is larger than the sum of its proper divisors (14193866).
28245814 is a wasteful number, since it uses less digits than its factorization.
28245814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23654.
The product of its digits is 20480, while the sum is 34.
The square root of 28245814 is about 5314.6791060232. The cubic root of 28245814 is about 304.5449237764.
The spelling of 28245814 in words is "twenty-eight million, two hundred forty-five thousand, eight hundred fourteen".
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