Base | Representation |
---|---|
bin | 110100000001… |
… | …0010111101111 |
3 | 1220022121002112 |
4 | 1220002113233 |
5 | 23440211222 |
6 | 2412314235 |
7 | 450546131 |
oct | 150022757 |
9 | 56277075 |
10 | 27272687 |
11 | 14438412 |
12 | 917297b |
13 | 585b7b0 |
14 | 389d051 |
15 | 25dabe2 |
hex | 1a025ef |
27272687 has 16 divisors (see below), whose sum is σ = 31243968. Its totient is φ = 23612160.
The previous prime is 27272683. The next prime is 27272689. The reversal of 27272687 is 78627272.
It is not a de Polignac number, because 27272687 - 22 = 27272683 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27272683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14987 + ... + 16707.
It is an arithmetic number, because the mean of its divisors is an integer number (1952748).
Almost surely, 227272687 is an apocalyptic number.
27272687 is a deficient number, since it is larger than the sum of its proper divisors (3971281).
27272687 is a wasteful number, since it uses less digits than its factorization.
27272687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1810.
The product of its digits is 131712, while the sum is 41.
The square root of 27272687 is about 5222.3258228494. The cubic root of 27272687 is about 301.0065707921.
The spelling of 27272687 in words is "twenty-seven million, two hundred seventy-two thousand, six hundred eighty-seven".
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