Base | Representation |
---|---|
bin | 110101001100… |
… | …0010101111000 |
3 | 1221110210201200 |
4 | 1222120111320 |
5 | 24114340333 |
6 | 2433414200 |
7 | 456015054 |
oct | 152302570 |
9 | 57423650 |
10 | 27886968 |
11 | 1481798a |
12 | 940a360 |
13 | 5a15285 |
14 | 39bcc64 |
15 | 26acc13 |
hex | 1a98578 |
27886968 has 48 divisors (see below), whose sum is σ = 76039080. Its totient is φ = 9232704.
The previous prime is 27886967. The next prime is 27886981. The reversal of 27886968 is 86968872.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27886967) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10071 + ... + 12537.
Almost surely, 227886968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27886968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38019540).
27886968 is an abundant number, since it is smaller than the sum of its proper divisors (48152112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27886968 is a wasteful number, since it uses less digits than its factorization.
27886968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2636 (or 2629 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 54.
The square root of 27886968 is about 5280.8113013059. The cubic root of 27886968 is about 303.2497369228.
The spelling of 27886968 in words is "twenty-seven million, eight hundred eighty-six thousand, nine hundred sixty-eight".
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