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543144 = 23375361
BaseRepresentation
bin10000100100110101000
31000121001110
42010212220
5114340034
615350320
74421340
oct2044650
91017043
10543144
11341088
122223a0
131602b4
14101d20
15aade9
hex849a8

543144 has 64 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 149760.

The previous prime is 543143. The next prime is 543149. The reversal of 543144 is 441345.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 543144.

It is not an unprimeable number, because it can be changed into a prime (543143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8874 + ... + 8934.

It is an arithmetic number, because the mean of its divisors is an integer number (25110).

2543144 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 543144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803520).

543144 is an abundant number, since it is smaller than the sum of its proper divisors (1063896).

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

543144 is a wasteful number, since it uses less digits than its factorization.

543144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 126 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 543144 is about 736.9830391535. The cubic root of 543144 is about 81.5902621982.

Adding to 543144 its reverse (441345), we get a palindrome (984489).

The spelling of 543144 in words is "five hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 53 56 61 84 106 122 159 168 183 212 244 318 366 371 424 427 488 636 732 742 854 1113 1272 1281 1464 1484 1708 2226 2562 2968 3233 3416 4452 5124 6466 8904 9699 10248 12932 19398 22631 25864 38796 45262 67893 77592 90524 135786 181048 271572 543144