Base | Representation |
---|---|
bin | 110101111001… |
… | …0001000000110 |
3 | 1222011111012100 |
4 | 1223302020012 |
5 | 24213122401 |
6 | 2445332530 |
7 | 462106203 |
oct | 153621006 |
9 | 58144170 |
10 | 28254726 |
11 | 14a49215 |
12 | 9567146 |
13 | 5b13796 |
14 | 3a76caa |
15 | 2731b86 |
hex | 1af2206 |
28254726 has 24 divisors (see below), whose sum is σ = 61316424. Its totient is φ = 9403200.
The previous prime is 28254719. The next prime is 28254727. The reversal of 28254726 is 62745282.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28254727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20965 + ... + 22271.
It is an arithmetic number, because the mean of its divisors is an integer number (2554851).
Almost surely, 228254726 is an apocalyptic number.
28254726 is an abundant number, since it is smaller than the sum of its proper divisors (33061698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28254726 is a wasteful number, since it uses less digits than its factorization.
28254726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2516 (or 2513 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 28254726 is about 5315.5174724574. The cubic root of 28254726 is about 304.5769499846.
The spelling of 28254726 in words is "twenty-eight million, two hundred fifty-four thousand, seven hundred twenty-six".
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