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20043044 = 227715823
BaseRepresentation
bin100110001110…
…1010100100100
31101201021212222
41030131110210
520112334134
61553331512
7332235350
oct114352444
941637788
1020043044
111034a6aa
126866b98
1341c9bb8
14293a460
151b5da2e
hex131d524

20043044 has 12 divisors (see below), whose sum is σ = 40086144. Its totient is φ = 8589864.

The previous prime is 20043007. The next prime is 20043053. The reversal of 20043044 is 44034002.

20043044 is an admirable number.

It is a super-2 number, since 2×200430442 = 803447225571872, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 357884 + ... + 357939.

It is an arithmetic number, because the mean of its divisors is an integer number (3340512).

Almost surely, 220043044 is an apocalyptic number.

It is an amenable number.

20043044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20043044 is a wasteful number, since it uses less digits than its factorization.

20043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715834 (or 715832 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20043044 is about 4476.9458339363. The cubic root of 20043044 is about 271.6363544451.

Adding to 20043044 its reverse (44034002), we get a palindrome (64077046).

The spelling of 20043044 in words is "twenty million, forty-three thousand, forty-four".

Divisors: 1 2 4 7 14 28 715823 1431646 2863292 5010761 10021522 20043044