Base | Representation |
---|---|
bin | 110100010010… |
… | …0011001110001 |
3 | 1220120200022021 |
4 | 1220210121301 |
5 | 24004141311 |
6 | 2415311441 |
7 | 451666414 |
oct | 150443161 |
9 | 56520267 |
10 | 27412081 |
11 | 14523114 |
12 | 921b581 |
13 | 58aa088 |
14 | 38d7b7b |
15 | 2617171 |
hex | 1a24671 |
27412081 has 2 divisors, whose sum is σ = 27412082. Its totient is φ = 27412080.
The previous prime is 27412019. The next prime is 27412093. The reversal of 27412081 is 18021472.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14745600 + 12666481 = 3840^2 + 3559^2 .
It is a cyclic number.
It is not a de Polignac number, because 27412081 - 27 = 27411953 is a prime.
It is a super-2 number, since 2×274120812 = 1502844369501122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (27412981) 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 as a sum of consecutive naturals, namely, 13706040 + 13706041.
It is an arithmetic number, because the mean of its divisors is an integer number (13706041).
Almost surely, 227412081 is an apocalyptic number.
It is an amenable number.
27412081 is a deficient number, since it is larger than the sum of its proper divisors (1).
27412081 is an equidigital number, since it uses as much as digits as its factorization.
27412081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 27412081 is about 5235.6547823553. The cubic root of 27412081 is about 301.5185265474.
The spelling of 27412081 in words is "twenty-seven million, four hundred twelve thousand, eighty-one".
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