Base | Representation |
---|---|
bin | 110101111100… |
… | …1100110001110 |
3 | 1222020001011200 |
4 | 1223321212032 |
5 | 24220112301 |
6 | 2450130330 |
7 | 462264336 |
oct | 153714616 |
9 | 58201150 |
10 | 28285326 |
11 | 14a6a203 |
12 | 95809a6 |
13 | 5b246a4 |
14 | 3a840c6 |
15 | 273ac86 |
hex | 1af998e |
28285326 has 24 divisors (see below), whose sum is σ = 62781264. Its totient is φ = 9198240.
The previous prime is 28285307. The next prime is 28285349. The reversal of 28285326 is 62358282.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18426 + ... + 19901.
It is an arithmetic number, because the mean of its divisors is an integer number (2615886).
Almost surely, 228285326 is an apocalyptic number.
28285326 is an abundant number, since it is smaller than the sum of its proper divisors (34495938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28285326 is a wasteful number, since it uses less digits than its factorization.
28285326 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38376 (or 38373 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 28285326 is about 5318.3950586620. The cubic root of 28285326 is about 304.6868630677.
The spelling of 28285326 in words is "twenty-eight million, two hundred eighty-five thousand, three hundred twenty-six".
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