Base | Representation |
---|---|
bin | 110010111001… |
… | …1011001000001 |
3 | 1212012211201221 |
4 | 1211303121001 |
5 | 23312441131 |
6 | 2351555041 |
7 | 442556533 |
oct | 145633101 |
9 | 55184657 |
10 | 26687041 |
11 | 14078407 |
12 | 8b2ba81 |
13 | 56b5064 |
14 | 3789853 |
15 | 2522411 |
hex | 1973641 |
26687041 has 4 divisors (see below), whose sum is σ = 26714500. Its totient is φ = 26659584.
The previous prime is 26687033. The next prime is 26687051. The reversal of 26687041 is 14078662.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5157441 + 21529600 = 2271^2 + 4640^2 .
It is a cyclic number.
It is not a de Polignac number, because 26687041 - 23 = 26687033 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 26686988 and 26687006.
It is not an unprimeable number, because it can be changed into a prime (26687051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12216 + ... + 14233.
It is an arithmetic number, because the mean of its divisors is an integer number (6678625).
Almost surely, 226687041 is an apocalyptic number.
It is an amenable number.
26687041 is a deficient number, since it is larger than the sum of its proper divisors (27459).
26687041 is a wasteful number, since it uses less digits than its factorization.
26687041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27458.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 26687041 is about 5165.9501546182. The cubic root of 26687041 is about 298.8363850958.
The spelling of 26687041 in words is "twenty-six million, six hundred eighty-seven thousand, forty-one".
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