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20044241 = 717179941
BaseRepresentation
bin100110001110…
…1100111010001
31101201100112022
41030131213101
520112403431
61553341225
7332242010
oct114354721
941640468
1020044241
1110350598
126867815
1341ca5c9
14293aa77
151b5e07b
hex131d9d1

20044241 has 16 divisors (see below), whose sum is σ = 24416640. Its totient is φ = 16062720.

The previous prime is 20044237. The next prime is 20044243. The reversal of 20044241 is 14244002.

It is a cyclic number.

It is not a de Polignac number, because 20044241 - 22 = 20044237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20044243) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 20831 + ... + 21771.

It is an arithmetic number, because the mean of its divisors is an integer number (1526040).

Almost surely, 220044241 is an apocalyptic number.

It is an amenable number.

20044241 is a deficient number, since it is larger than the sum of its proper divisors (4372399).

20044241 is a wasteful number, since it uses less digits than its factorization.

20044241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 20044241 is about 4477.0795168279. The cubic root of 20044241 is about 271.6417618447.

Adding to 20044241 its reverse (14244002), we get a palindrome (34288243).

The spelling of 20044241 in words is "twenty million, forty-four thousand, two hundred forty-one".

Divisors: 1 7 17 119 179 941 1253 3043 6587 15997 21301 111979 168439 1179073 2863463 20044241