Base | Representation |
---|---|
bin | 101001001110… |
… | …0111100000101 |
3 | 1111200010022011 |
4 | 1102130330011 |
5 | 21013124331 |
6 | 2051134221 |
7 | 351501400 |
oct | 122347405 |
9 | 44603264 |
10 | 21614341 |
11 | 112231a1 |
12 | 72a4371 |
13 | 462a168 |
14 | 2c28d37 |
15 | 1d6e3b1 |
hex | 149cf05 |
21614341 has 6 divisors (see below), whose sum is σ = 25143270. Its totient is φ = 18526536.
The previous prime is 21614261. The next prime is 21614357. The reversal of 21614341 is 14341612.
It can be written as a sum of positive squares in only one way, i.e., 20511841 + 1102500 = 4529^2 + 1050^2 .
It is not a de Polignac number, because 21614341 - 27 = 21614213 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21614141) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220506 + ... + 220603.
It is an arithmetic number, because the mean of its divisors is an integer number (4190545).
Almost surely, 221614341 is an apocalyptic number.
It is an amenable number.
21614341 is a deficient number, since it is larger than the sum of its proper divisors (3528929).
21614341 is an equidigital number, since it uses as much as digits as its factorization.
21614341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441123 (or 441116 counting only the distinct ones).
The product of its digits is 576, while the sum is 22.
The square root of 21614341 is about 4649.1226053956. The cubic root of 21614341 is about 278.5569506642.
Adding to 21614341 its reverse (14341612), we get a palindrome (35955953).
The spelling of 21614341 in words is "twenty-one million, six hundred fourteen thousand, three hundred forty-one".
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