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4743891684 = 2238731731
BaseRepresentation
bin1000110101100001…
…00000101011100100
3110020121110200000000
410122300200223210
534203414013214
62102422021300
7225362262000
oct43260405344
913217420000
104743891684
112014892044
12b04877830
135a7a8aacc
14330075700
151cb717809
hex11ac20ae4

4743891684 has 432 divisors, whose sum is σ = 15871564800. Its totient is φ = 1234517760.

The previous prime is 4743891683. The next prime is 4743891721. The reversal of 4743891684 is 4861983474.

4743891684 is a `hidden beast` number, since 47 + 438 + 9 + 168 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4743891684.

It is not an unprimeable number, because it can be changed into a prime (4743891683) 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 143 ways as a sum of consecutive naturals, for example, 153028749 + ... + 153028779.

Almost surely, 24743891684 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 4743891684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7935782400).

4743891684 is an abundant number, since it is smaller than the sum of its proper divisors (11127673116).

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

4743891684 is an equidigital number, since it uses as much as digits as its factorization.

4743891684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 60 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 4743891684 is about 68875.9151227771. The cubic root of 4743891684 is about 1680.2668326170.

The spelling of 4743891684 in words is "four billion, seven hundred forty-three million, eight hundred ninety-one thousand, six hundred eighty-four".