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2000000444 = 2213279713751
BaseRepresentation
bin111011100110101…
…1001010110111100
312011101100112211112
41313031121112330
513044000003234
6530242541152
7100363503041
oct16715312674
95141315745
102000000444
11936a47a32
124799677b8
1325b477620
1414d8991c8
15ba8b2ace
hex773595bc

2000000444 has 24 divisors (see below), whose sum is σ = 3770853408. Its totient is φ = 922680000.

The previous prime is 2000000441. The next prime is 2000000503. The reversal of 2000000444 is 4440000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000000441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138569 + ... + 152319.

It is an arithmetic number, because the mean of its divisors is an integer number (157118892).

Almost surely, 22000000444 is an apocalyptic number.

It is an amenable number.

2000000444 is a deficient number, since it is larger than the sum of its proper divisors (1770852964).

2000000444 is a wasteful number, since it uses less digits than its factorization.

2000000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565 (or 16563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2000000444 is about 44721.3645140664. The cubic root of 2000000444 is about 1259.9211431290.

Adding to 2000000444 its reverse (4440000002), we get a palindrome (6440000446).

The spelling of 2000000444 in words is "two billion, four hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 13 26 52 2797 5594 11188 13751 27502 36361 55004 72722 145444 178763 357526 715052 38461547 76923094 153846188 500000111 1000000222 2000000444