Base | Representation |
---|---|
bin | 110011011101… |
… | …1111011100001 |
3 | 1212202221022101 |
4 | 1212323323201 |
5 | 23401443121 |
6 | 2402210401 |
7 | 445235011 |
oct | 146737341 |
9 | 55687271 |
10 | 26984161 |
11 | 14260666 |
12 | 9053a01 |
13 | 578a379 |
14 | 3825c41 |
15 | 2580491 |
hex | 19bbee1 |
26984161 has 8 divisors (see below), whose sum is σ = 28581920. Its totient is φ = 25404192.
The previous prime is 26984159. The next prime is 26984173. The reversal of 26984161 is 16148962.
It is a happy number.
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 26984161 - 21 = 26984159 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 26984161.
It is not an unprimeable number, because it can be changed into a prime (26984131) 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, 1260 + ... + 7453.
It is an arithmetic number, because the mean of its divisors is an integer number (3572740).
Almost surely, 226984161 is an apocalyptic number.
It is an amenable number.
26984161 is a deficient number, since it is larger than the sum of its proper divisors (1597759).
26984161 is a wasteful number, since it uses less digits than its factorization.
26984161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8895.
The product of its digits is 20736, while the sum is 37.
The square root of 26984161 is about 5194.6280906336. The cubic root of 26984161 is about 299.9413255622.
It can be divided in two parts, 2698 and 4161, that added together give a cube (6859 = 193).
The spelling of 26984161 in words is "twenty-six million, nine hundred eighty-four thousand, one hundred sixty-one".
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