Base | Representation |
---|---|
bin | 110101111000… |
… | …0100101011110 |
3 | 1222011011112120 |
4 | 1223300211132 |
5 | 24212422124 |
6 | 2445243410 |
7 | 462051615 |
oct | 153604536 |
9 | 58134476 |
10 | 28248414 |
11 | 14a444a7 |
12 | 9563566 |
13 | 5b1094c |
14 | 3a7487c |
15 | 272ed79 |
hex | 1af095e |
28248414 has 16 divisors (see below), whose sum is σ = 56904960. Its totient is φ = 9348120.
The previous prime is 28248401. The next prime is 28248419. The reversal of 28248414 is 41484282.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28248419) 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, 16102 + ... + 17769.
It is an arithmetic number, because the mean of its divisors is an integer number (3556560).
Almost surely, 228248414 is an apocalyptic number.
28248414 is an abundant number, since it is smaller than the sum of its proper divisors (28656546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28248414 is a wasteful number, since it uses less digits than its factorization.
28248414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34015.
The product of its digits is 16384, while the sum is 33.
The square root of 28248414 is about 5314.9237059435. The cubic root of 28248414 is about 304.5542678454.
The spelling of 28248414 in words is "twenty-eight million, two hundred forty-eight thousand, four hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •