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20041444 = 225010361
BaseRepresentation
bin100110001110…
…0111011100100
31101201012200201
41030130323210
520112311234
61553320244
7332230603
oct114347344
941635621
1020041444
1110349485
126866084
1341c9257
142939a3a
151b5d314
hex131cee4

20041444 has 6 divisors (see below), whose sum is σ = 35072534. Its totient is φ = 10020720.

The previous prime is 20041433. The next prime is 20041471. The reversal of 20041444 is 44414002.

It can be written as a sum of positive squares in only one way, i.e., 16908544 + 3132900 = 4112^2 + 1770^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505177 + ... + 2505184.

Almost surely, 220041444 is an apocalyptic number.

It is an amenable number.

20041444 is a deficient number, since it is larger than the sum of its proper divisors (15031090).

20041444 is a wasteful number, since it uses less digits than its factorization.

20041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010365 (or 5010363 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20041444 is about 4476.7671371203. The cubic root of 20041444 is about 271.6291261729.

Adding to 20041444 its reverse (44414002), we get a palindrome (64455446).

The spelling of 20041444 in words is "twenty million, forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 5010361 10020722 20041444