Base | Representation |
---|---|
bin | 110011001001… |
… | …0001010111011 |
3 | 1212110020200100 |
4 | 1212102022323 |
5 | 23331004430 |
6 | 2354410443 |
7 | 443623230 |
oct | 146221273 |
9 | 55406610 |
10 | 26813115 |
11 | 141540aa |
12 | 8b90a23 |
13 | 572a564 |
14 | 37bd787 |
15 | 2549960 |
hex | 19922bb |
26813115 has 24 divisors (see below), whose sum is σ = 53116128. Its totient is φ = 12257280.
The previous prime is 26813107. The next prime is 26813117. The reversal of 26813115 is 51131862.
It is not a de Polignac number, because 26813115 - 23 = 26813107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (26813117) 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, 42246 + ... + 42875.
It is an arithmetic number, because the mean of its divisors is an integer number (2213172).
Almost surely, 226813115 is an apocalyptic number.
26813115 is a deficient number, since it is larger than the sum of its proper divisors (26303013).
26813115 is a wasteful number, since it uses less digits than its factorization.
26813115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85139 (or 85136 counting only the distinct ones).
The product of its digits is 1440, while the sum is 27.
The square root of 26813115 is about 5178.1381789211. The cubic root of 26813115 is about 299.3062301815.
Adding to 26813115 its reverse (51131862), we get a palindrome (77944977).
The spelling of 26813115 in words is "twenty-six million, eight hundred thirteen thousand, one hundred fifteen".
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