Base | Representation |
---|---|
bin | 110011010001… |
… | …0110010010001 |
3 | 1212120201000212 |
4 | 1212202302101 |
5 | 23340144134 |
6 | 2400053505 |
7 | 444325520 |
oct | 146426221 |
9 | 55521025 |
10 | 26881169 |
11 | 141a0247 |
12 | 9004295 |
13 | 5752523 |
14 | 37da4b7 |
15 | 255ebce |
hex | 19a2c91 |
26881169 has 8 divisors (see below), whose sum is σ = 30763200. Its totient is φ = 23009616.
The previous prime is 26881163. The next prime is 26881187. The reversal of 26881169 is 96118862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26881169 - 212 = 26877073 is a prime.
It is a super-2 number, since 2×268811692 = 1445194493613122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (26881163) 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 in 7 ways as a sum of consecutive naturals, for example, 4007 + ... + 8355.
It is an arithmetic number, because the mean of its divisors is an integer number (3845400).
Almost surely, 226881169 is an apocalyptic number.
It is an amenable number.
26881169 is a deficient number, since it is larger than the sum of its proper divisors (3882031).
26881169 is an equidigital number, since it uses as much as digits as its factorization.
26881169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5239.
The product of its digits is 41472, while the sum is 41.
The square root of 26881169 is about 5184.7052953856. The cubic root of 26881169 is about 299.5592379317.
The spelling of 26881169 in words is "twenty-six million, eight hundred eighty-one thousand, one hundred sixty-nine".
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