Base | Representation |
---|---|
bin | 110011111111… |
… | …0100011111111 |
3 | 1220021210200202 |
4 | 1213332203333 |
5 | 23434211322 |
6 | 2412114115 |
7 | 450452504 |
oct | 147764377 |
9 | 56253622 |
10 | 27257087 |
11 | 14427720 |
12 | 916593b |
13 | 5854670 |
14 | 38974ab |
15 | 25d6292 |
hex | 19fe8ff |
27257087 has 16 divisors (see below), whose sum is σ = 32810400. Its totient is φ = 22310400.
The previous prime is 27257063. The next prime is 27257089. The reversal of 27257087 is 78075272.
It is a cyclic number.
It is not a de Polignac number, because 27257087 - 212 = 27252991 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 27257087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27257089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3539 + ... + 8187.
It is an arithmetic number, because the mean of its divisors is an integer number (2050650).
Almost surely, 227257087 is an apocalyptic number.
27257087 is a deficient number, since it is larger than the sum of its proper divisors (5553313).
27257087 is a wasteful number, since it uses less digits than its factorization.
27257087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4714.
The product of its (nonzero) digits is 54880, while the sum is 38.
The square root of 27257087 is about 5220.8320218141. The cubic root of 27257087 is about 300.9491678416.
The spelling of 27257087 in words is "twenty-seven million, two hundred fifty-seven thousand, eighty-seven".
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