Base | Representation |
---|---|
bin | 110101010010… |
… | …0100001100100 |
3 | 1221120100011211 |
4 | 1222210201210 |
5 | 24122434433 |
6 | 2434441204 |
7 | 456313411 |
oct | 152444144 |
9 | 57510154 |
10 | 27936868 |
11 | 14851423 |
12 | 9433204 |
13 | 5a31bbb |
14 | 39d3108 |
15 | 26bc8cd |
hex | 1aa4864 |
27936868 has 12 divisors (see below), whose sum is σ = 49014252. Its totient is φ = 13932800.
The previous prime is 27936851. The next prime is 27936869. The reversal of 27936868 is 86863972.
It can be written as a sum of positive squares in 2 ways, for example, as 27123264 + 813604 = 5208^2 + 902^2 .
It is not an unprimeable number, because it can be changed into a prime (27936869) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7105 + ... + 10312.
It is an arithmetic number, because the mean of its divisors is an integer number (4084521).
Almost surely, 227936868 is an apocalyptic number.
It is an amenable number.
27936868 is a deficient number, since it is larger than the sum of its proper divisors (21077384).
27936868 is a wasteful number, since it uses less digits than its factorization.
27936868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17822 (or 17820 counting only the distinct ones).
The product of its digits is 870912, while the sum is 49.
The square root of 27936868 is about 5285.5338424799. The cubic root of 27936868 is about 303.4305040966.
The spelling of 27936868 in words is "twenty-seven million, nine hundred thirty-six thousand, eight hundred sixty-eight".
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