Base | Representation |
---|---|
bin | 110101011001… |
… | …0000000011000 |
3 | 1221200010221000 |
4 | 1222302000120 |
5 | 24131221323 |
6 | 2435545000 |
7 | 456633405 |
oct | 152620030 |
9 | 57603830 |
10 | 27992088 |
11 | 14889963 |
12 | 945b160 |
13 | 5a51087 |
14 | 3a092ac |
15 | 26cde43 |
hex | 1ab2018 |
27992088 has 32 divisors (see below), whose sum is σ = 77756400. Its totient is φ = 9330624.
The previous prime is 27992087. The next prime is 27992093. The reversal of 27992088 is 88029972.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27992087) 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, 64581 + ... + 65012.
Almost surely, 227992088 is an apocalyptic number.
It is an amenable number.
27992088 is an abundant number, since it is smaller than the sum of its proper divisors (49764312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27992088 is a wasteful number, since it uses less digits than its factorization.
27992088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129608 (or 129598 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 27992088 is about 5290.7549555805. The cubic root of 27992088 is about 303.6302927170.
The spelling of 27992088 in words is "twenty-seven million, nine hundred ninety-two thousand, eighty-eight".
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