Base | Representation |
---|---|
bin | 110101100000… |
… | …0011000110000 |
3 | 1221210010201122 |
4 | 1223000120300 |
5 | 24140112432 |
6 | 2441121412 |
7 | 460300214 |
oct | 153003060 |
9 | 57703648 |
10 | 28050992 |
11 | 1491a142 |
12 | 9489268 |
13 | 5a71b28 |
14 | 3a22944 |
15 | 26e1612 |
hex | 1ac0630 |
28050992 has 40 divisors (see below), whose sum is σ = 58322160. Its totient is φ = 13029120.
The previous prime is 28050991. The next prime is 28051031. The reversal of 28050992 is 29905082.
It is not an unprimeable number, because it can be changed into a prime (28050991) 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, 15242 + ... + 16982.
It is an arithmetic number, because the mean of its divisors is an integer number (1458054).
Almost surely, 228050992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28050992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29161080).
28050992 is an abundant number, since it is smaller than the sum of its proper divisors (30271168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28050992 is a wasteful number, since it uses less digits than its factorization.
28050992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1821 (or 1815 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 28050992 is about 5296.3187215272. The cubic root of 28050992 is about 303.8431208108.
The spelling of 28050992 in words is "twenty-eight million, fifty thousand, nine hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •