Search a number
-
+
5443444540 = 2251741390491
BaseRepresentation
bin1010001000111010…
…00101111100111100
3112001100210122010001
411010131011330330
542122010211130
62300051524044
7251615341462
oct50435057474
915040718101
105443444540
1123437564a6
12107abb9624
136899a1801
14398d34832
1521cd4c6ca
hex144745f3c

5443444540 has 48 divisors (see below), whose sum is σ = 12398901984. Its totient is φ = 1999308800.

The previous prime is 5443444511. The next prime is 5443444541. The reversal of 5443444540 is 454443445.

It is a self number, because there is not a number n which added to its sum of digits gives 5443444540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443444541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181306 + ... + 209185.

It is an arithmetic number, because the mean of its divisors is an integer number (258310458).

Almost surely, 25443444540 is an apocalyptic number.

It is an amenable number.

5443444540 is an abundant number, since it is smaller than the sum of its proper divisors (6955457444).

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

5443444540 is a wasteful number, since it uses less digits than its factorization.

5443444540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390558 (or 390556 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

The square root of 5443444540 is about 73779.7027643782. The cubic root of 5443444540 is about 1759.1029928890.

Adding to 5443444540 its reverse (454443445), we get a palindrome (5897887985).

The spelling of 5443444540 in words is "five billion, four hundred forty-three million, four hundred forty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 41 68 82 85 164 170 205 340 410 697 820 1394 2788 3485 6970 13940 390491 780982 1561964 1952455 3904910 6638347 7809820 13276694 16010131 26553388 32020262 33191735 64040524 66383470 80050655 132766940 160101310 272172227 320202620 544344454 1088688908 1360861135 2721722270 5443444540