Base | Representation |
---|---|
bin | 110110011011… |
… | …0111110010111 |
3 | 1222200211000211 |
4 | 1230312332113 |
5 | 24301133402 |
6 | 2455350251 |
7 | 464362312 |
oct | 154667627 |
9 | 58624024 |
10 | 28536727 |
11 | 1512107a |
12 | 9682387 |
13 | 5bb1c4b |
14 | 3b0b979 |
15 | 278a4d7 |
hex | 1b36f97 |
28536727 has 12 divisors (see below), whose sum is σ = 31915720. Its totient is φ = 25439616.
The previous prime is 28536713. The next prime is 28536749. The reversal of 28536727 is 72763582.
It is not a de Polignac number, because 28536727 - 211 = 28534679 is a prime.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28536727.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28536797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2893 + ... + 8089.
Almost surely, 228536727 is an apocalyptic number.
28536727 is a deficient number, since it is larger than the sum of its proper divisors (3378993).
28536727 is a wasteful number, since it uses less digits than its factorization.
28536727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5250 (or 5233 counting only the distinct ones).
The product of its digits is 141120, while the sum is 40.
The square root of 28536727 is about 5341.9778172508. The cubic root of 28536727 is about 305.5868911016.
The spelling of 28536727 in words is "twenty-eight million, five hundred thirty-six thousand, seven hundred twenty-seven".
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