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54144320 = 2651737269
BaseRepresentation
bin1100111010001…
…0110101000000
310202212211001012
43032202311000
5102330104240
65212300052
71225135106
oct316426500
9122784035
1054144320
112862147a
1216171628
13b2a9879
147295c76
154b47b65
hex33a2d40

54144320 has 112 divisors (see below), whose sum is σ = 140726160. Its totient is φ = 19759104.

The previous prime is 54144317. The next prime is 54144373. The reversal of 54144320 is 2344145.

It can be written as a sum of positive squares in 8 ways, for example, as 92416 + 54051904 = 304^2 + 7352^2 .

It is a super-3 number, since 3×541443203 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 201146 + ... + 201414.

Almost surely, 254144320 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 54144320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70363080).

54144320 is an abundant number, since it is smaller than the sum of its proper divisors (86581840).

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

54144320 is a wasteful number, since it uses less digits than its factorization.

54144320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 54144320 is about 7358.2824082798. The cubic root of 54144320 is about 378.3127410028.

Adding to 54144320 its reverse (2344145), we get a palindrome (56488465).

The spelling of 54144320 in words is "fifty-four million, one hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 37 40 64 68 74 80 85 136 148 160 170 185 269 272 296 320 340 370 538 544 592 629 680 740 1076 1088 1184 1258 1345 1360 1480 2152 2368 2516 2690 2720 2960 3145 4304 4573 5032 5380 5440 5920 6290 8608 9146 9953 10064 10760 11840 12580 17216 18292 19906 20128 21520 22865 25160 36584 39812 40256 43040 45730 49765 50320 73168 79624 86080 91460 99530 100640 146336 159248 169201 182920 199060 201280 292672 318496 338402 365840 398120 636992 676804 731680 796240 846005 1353608 1463360 1592480 1692010 2707216 3184960 3384020 5414432 6768040 10828864 13536080 27072160 54144320