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20441241 = 34733457
BaseRepresentation
bin100110111111…
…0100010011001
31102110112010000
41031332202121
520213104431
62010043213
7335514312
oct115764231
942415100
1020441241
11105a1897
126a19509
134309212
142a01609
151bdb9e6
hex137e899

20441241 has 20 divisors (see below), whose sum is σ = 30962932. Its totient is φ = 13436928.

The previous prime is 20441233. The next prime is 20441249. The reversal of 20441241 is 14214402.

It is an interprime number because it is at equal distance from previous prime (20441233) and next prime (20441249).

It can be written as a sum of positive squares in 2 ways, for example, as 4473225 + 15968016 = 2115^2 + 3996^2 .

It is not a de Polignac number, because 20441241 - 23 = 20441233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20441249) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4185 + ... + 7641.

Almost surely, 220441241 is an apocalyptic number.

It is an amenable number.

20441241 is a deficient number, since it is larger than the sum of its proper divisors (10521691).

20441241 is an equidigital number, since it uses as much as digits as its factorization.

20441241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20441241 is about 4521.1990666194. The cubic root of 20441241 is about 273.4234462284.

Adding to 20441241 its reverse (14214402), we get a palindrome (34655643).

The spelling of 20441241 in words is "twenty million, four hundred forty-one thousand, two hundred forty-one".

Divisors: 1 3 9 27 73 81 219 657 1971 3457 5913 10371 31113 93339 252361 280017 757083 2271249 6813747 20441241