Base | Representation |
---|---|
bin | 110101111001… |
… | …0000100010101 |
3 | 1222011110212102 |
4 | 1223302010111 |
5 | 24213120420 |
6 | 2445331445 |
7 | 462105410 |
oct | 153620425 |
9 | 58143772 |
10 | 28254485 |
11 | 14a49016 |
12 | 9566b85 |
13 | 5b1363c |
14 | 3a76b77 |
15 | 2731a75 |
hex | 1af2115 |
28254485 has 16 divisors (see below), whose sum is σ = 40000512. Its totient is φ = 18748800.
The previous prime is 28254467. The next prime is 28254517. The reversal of 28254485 is 58445282.
It is not a de Polignac number, because 28254485 - 210 = 28253461 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11936 + ... + 14105.
It is an arithmetic number, because the mean of its divisors is an integer number (2500032).
Almost surely, 228254485 is an apocalyptic number.
It is an amenable number.
28254485 is a deficient number, since it is larger than the sum of its proper divisors (11746027).
28254485 is a wasteful number, since it uses less digits than its factorization.
28254485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26084.
The product of its digits is 102400, while the sum is 38.
The square root of 28254485 is about 5315.4948029323. The cubic root of 28254485 is about 304.5760840144.
The spelling of 28254485 in words is "twenty-eight million, two hundred fifty-four thousand, four hundred eighty-five".
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