Base | Representation |
---|---|
bin | 110101010011… |
… | …0110001101001 |
3 | 1221120210211100 |
4 | 1222212301221 |
5 | 24123233324 |
6 | 2434552013 |
7 | 456352323 |
oct | 152466151 |
9 | 57523740 |
10 | 27946089 |
11 | 14858346 |
12 | 9438609 |
13 | 5a36162 |
14 | 39d6613 |
15 | 26c04c9 |
hex | 1aa6c69 |
27946089 has 24 divisors (see below), whose sum is σ = 41277600. Its totient is φ = 18216000.
The previous prime is 27946073. The next prime is 27946103. The reversal of 27946089 is 98064972.
It is a happy number.
It is not a de Polignac number, because 27946089 - 24 = 27946073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (27946049) 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 23 ways as a sum of consecutive naturals, for example, 111214 + ... + 111464.
It is an arithmetic number, because the mean of its divisors is an integer number (1719900).
Almost surely, 227946089 is an apocalyptic number.
It is an amenable number.
27946089 is a deficient number, since it is larger than the sum of its proper divisors (13331511).
27946089 is a wasteful number, since it uses less digits than its factorization.
27946089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 485 (or 482 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 27946089 is about 5286.4060570486. The cubic root of 27946089 is about 303.4638844180.
It can be divided in two parts, 2 and 7946089, that added together give a triangular number (7946091 = T3986).
The spelling of 27946089 in words is "twenty-seven million, nine hundred forty-six thousand, eighty-nine".
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