Base | Representation |
---|---|
bin | 110101100100… |
… | …0000111011111 |
3 | 1221211202011100 |
4 | 1223020013133 |
5 | 24142121110 |
6 | 2441524143 |
7 | 460461426 |
oct | 153100737 |
9 | 57752140 |
10 | 28082655 |
11 | 14940a07 |
12 | 94a3653 |
13 | 5a83373 |
14 | 3a302bd |
15 | 26eabc0 |
hex | 1ac81df |
28082655 has 48 divisors (see below), whose sum is σ = 52056576. Its totient is φ = 13970880.
The previous prime is 28082653. The next prime is 28082669. The reversal of 28082655 is 55628082.
It is not a de Polignac number, because 28082655 - 21 = 28082653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28082653) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44190 + ... + 44820.
It is an arithmetic number, because the mean of its divisors is an integer number (1084512).
Almost surely, 228082655 is an apocalyptic number.
28082655 is a deficient number, since it is larger than the sum of its proper divisors (23973921).
28082655 is a wasteful number, since it uses less digits than its factorization.
28082655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708 (or 705 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 28082655 is about 5299.3070301691. The cubic root of 28082655 is about 303.9574003962.
The spelling of 28082655 in words is "twenty-eight million, eighty-two thousand, six hundred fifty-five".
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