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20441104 = 241277569
BaseRepresentation
bin100110111111…
…0100000010000
31102110111220221
41031332200100
520213103404
62010042424
7335514025
oct115764020
942414827
1020441104
11105a1782
126a19414
134309138
142a0154c
151bdb954
hex137e810

20441104 has 10 divisors (see below), whose sum is σ = 39604670. Its totient is φ = 10220544.

The previous prime is 20441077. The next prime is 20441107. The reversal of 20441104 is 40114402.

It can be written as a sum of positive squares in only one way, i.e., 16646400 + 3794704 = 4080^2 + 1948^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1277569 = 20441104 / (2 + 0 + 4 + 4 + 1 + 1 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (20441107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638769 + ... + 638800.

It is an arithmetic number, because the mean of its divisors is an integer number (3960467).

Almost surely, 220441104 is an apocalyptic number.

It is an amenable number.

20441104 is a deficient number, since it is larger than the sum of its proper divisors (19163566).

20441104 is a wasteful number, since it uses less digits than its factorization.

20441104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277577 (or 1277571 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20441104 is about 4521.1839157460. The cubic root of 20441104 is about 273.4228353866.

Adding to 20441104 its reverse (40114402), we get a palindrome (60555506).

The spelling of 20441104 in words is "twenty million, four hundred forty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 1277569 2555138 5110276 10220552 20441104