Base | Representation |
---|---|
bin | 110101111011… |
… | …0010001001111 |
3 | 1222012100110211 |
4 | 1223312101033 |
5 | 24214143240 |
6 | 2445543251 |
7 | 462206524 |
oct | 153662117 |
9 | 58170424 |
10 | 28271695 |
11 | 14a5aa41 |
12 | 9574b27 |
13 | 5b1b41a |
14 | 3a7d14b |
15 | 2736bea |
hex | 1af644f |
28271695 has 8 divisors (see below), whose sum is σ = 33991344. Its totient is φ = 22573824.
The previous prime is 28271693. The next prime is 28271699. The reversal of 28271695 is 59617282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28271695 - 21 = 28271693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28271693) 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, 2434 + ... + 7903.
It is an arithmetic number, because the mean of its divisors is an integer number (4248918).
Almost surely, 228271695 is an apocalyptic number.
28271695 is a deficient number, since it is larger than the sum of its proper divisors (5719649).
28271695 is a wasteful number, since it uses less digits than its factorization.
28271695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10889.
The product of its digits is 60480, while the sum is 40.
The square root of 28271695 is about 5317.1134086081. The cubic root of 28271695 is about 304.6379112547.
The spelling of 28271695 in words is "twenty-eight million, two hundred seventy-one thousand, six hundred ninety-five".
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