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544324220 = 225117931319
BaseRepresentation
bin100000011100011…
…011101001111100
31101221020112110022
4200130123221330
52103321333340
6130002431312
716326452036
oct4034335174
91357215408
10544324220
1125a290930
12132362538
1388a03c4b
1452412c56
1532bc13b5
hex2071ba7c

544324220 has 48 divisors (see below), whose sum is σ = 1262822400. Its totient is φ = 195424320.

The previous prime is 544324219. The next prime is 544324223. The reversal of 544324220 is 22423445.

It is a happy number.

544324220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 544324220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544324223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721 + ... + 33039.

It is an arithmetic number, because the mean of its divisors is an integer number (26308800).

Almost surely, 2544324220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544324220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631411200).

544324220 is an abundant number, since it is smaller than the sum of its proper divisors (718498180).

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

544324220 is a wasteful number, since it uses less digits than its factorization.

544324220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31418 (or 31416 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 544324220 is about 23330.7569530009. The cubic root of 544324220 is about 816.4931639375.

Adding to 544324220 its reverse (22423445), we get a palindrome (566747665).

The spelling of 544324220 in words is "five hundred forty-four million, three hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 79 110 158 220 316 395 790 869 1580 1738 3476 4345 8690 17380 31319 62638 125276 156595 313190 344509 626380 689018 1378036 1722545 2474201 3445090 4948402 6890180 9896804 12371005 24742010 27216211 49484020 54432422 108864844 136081055 272162110 544324220