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545324444 = 22719475873
BaseRepresentation
bin100000100000001…
…111110110011100
31102000010100111122
4200200033312130
52104100340234
6130040110112
716341116120
oct4040176634
91360110448
10545324444
1125a904365
12132765338
1388c942b2
14525d3580
1532d1c92e
hex2080fd9c

545324444 has 12 divisors (see below), whose sum is σ = 1090648944. Its totient is φ = 233710464.

The previous prime is 545324443. The next prime is 545324459. The reversal of 545324444 is 444423545.

545324444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545324443) 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 3 ways as a sum of consecutive naturals, for example, 9737909 + ... + 9737964.

It is an arithmetic number, because the mean of its divisors is an integer number (90887412).

Almost surely, 2545324444 is an apocalyptic number.

It is an amenable number.

545324444 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.

545324444 is a wasteful number, since it uses less digits than its factorization.

545324444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19475884 (or 19475882 counting only the distinct ones).

The product of its digits is 153600, while the sum is 35.

The square root of 545324444 is about 23352.1828530011. The cubic root of 545324444 is about 816.9929741059.

Adding to 545324444 its reverse (444423545), we get a palindrome (989747989).

The spelling of 545324444 in words is "five hundred forty-five million, three hundred twenty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 19475873 38951746 77903492 136331111 272662222 545324444