Base | Representation |
---|---|
bin | 110001111010… |
… | …0110000111101 |
3 | 1211020111021022 |
4 | 1203310300331 |
5 | 23144342011 |
6 | 2332513525 |
7 | 435266441 |
oct | 143646075 |
9 | 54214238 |
10 | 26168381 |
11 | 13853768 |
12 | 891b8a5 |
13 | 5562c65 |
14 | 3692821 |
15 | 246d8db |
hex | 18f4c3d |
26168381 has 8 divisors (see below), whose sum is σ = 26906880. Its totient is φ = 25435872.
The previous prime is 26168341. The next prime is 26168413. The reversal of 26168381 is 18386162.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 26168381 - 210 = 26167357 is a prime.
It is a super-2 number, since 2×261683812 = 1369568328322322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26168341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8225 + ... + 10953.
It is an arithmetic number, because the mean of its divisors is an integer number (3363360).
Almost surely, 226168381 is an apocalyptic number.
It is an amenable number.
26168381 is a deficient number, since it is larger than the sum of its proper divisors (738499).
26168381 is a wasteful number, since it uses less digits than its factorization.
26168381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2995.
The product of its digits is 13824, while the sum is 35.
The square root of 26168381 is about 5115.5039829913. The cubic root of 26168381 is about 296.8877543699.
The spelling of 26168381 in words is "twenty-six million, one hundred sixty-eight thousand, three hundred eighty-one".
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