Base | Representation |
---|---|
bin | 100110111111… |
… | …0100010110111 |
3 | 1102110112011010 |
4 | 1031332202313 |
5 | 20213110041 |
6 | 2010043303 |
7 | 335514354 |
oct | 115764267 |
9 | 42415133 |
10 | 20441271 |
11 | 105a1914 |
12 | 6a19533 |
13 | 4309236 |
14 | 2a0162b |
15 | 1bdba16 |
hex | 137e8b7 |
20441271 has 8 divisors (see below), whose sum is σ = 27294064. Its totient is φ = 13608000.
The previous prime is 20441269. The next prime is 20441347. The reversal of 20441271 is 17214402.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20441271 - 21 = 20441269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20441251) 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, 2230 + ... + 6771.
It is an arithmetic number, because the mean of its divisors is an integer number (3411758).
Almost surely, 220441271 is an apocalyptic number.
20441271 is a deficient number, since it is larger than the sum of its proper divisors (6852793).
20441271 is an equidigital number, since it uses as much as digits as its factorization.
20441271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9761.
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 20441271 is about 4521.2023843221. The cubic root of 20441271 is about 273.4235799891.
Adding to 20441271 its reverse (17214402), we get a palindrome (37655673).
The spelling of 20441271 in words is "twenty million, four hundred forty-one thousand, two hundred seventy-one".
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