Base | Representation |
---|---|
bin | 110100100011… |
… | …1000100101001 |
3 | 1220211220002211 |
4 | 1221013010221 |
5 | 24023212324 |
6 | 2422325121 |
7 | 453130423 |
oct | 151070451 |
9 | 56756084 |
10 | 27554089 |
11 | 1460a882 |
12 | 92897a1 |
13 | 59298c4 |
14 | 3933813 |
15 | 2644294 |
hex | 1a47129 |
27554089 has 8 divisors (see below), whose sum is σ = 28562760. Its totient is φ = 26549376.
The previous prime is 27554081. The next prime is 27554101. The reversal of 27554089 is 98045572.
It can be written as a sum of positive squares in 4 ways, for example, as 7884864 + 19669225 = 2808^2 + 4435^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27554089 - 23 = 27554081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27554081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27139 + ... + 28135.
It is an arithmetic number, because the mean of its divisors is an integer number (3570345).
Almost surely, 227554089 is an apocalyptic number.
27554089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
27554089 is a deficient number, since it is larger than the sum of its proper divisors (1008671).
27554089 is an equidigital number, since it uses as much as digits as its factorization.
27554089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1979.
The product of its (nonzero) digits is 100800, while the sum is 40.
The square root of 27554089 is about 5249.1988912595. The cubic root of 27554089 is about 302.0383012107.
The spelling of 27554089 in words is "twenty-seven million, five hundred fifty-four thousand, eighty-nine".
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