Search a number
-
+
4945550580 = 2239517739
BaseRepresentation
bin1001001101100011…
…10001110011110100
3110202122221000000000
410212301301303310
540112030104310
62134424151300
7233361325545
oct44661616364
913678830000
104945550580
1121086a8393
12b60308530
1360a7a61b9
1434cb6a4cc
151de29d4c0
hex126c71cf4

4945550580 has 240 divisors, whose sum is σ = 16516906560. Its totient is φ = 1239556608.

The previous prime is 4945550567. The next prime is 4945550581. The reversal of 4945550580 is 850555494.

4945550580 is a `hidden beast` number, since 4 + 9 + 45 + 550 + 58 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945550581) 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 79 ways as a sum of consecutive naturals, for example, 6691851 + ... + 6692589.

It is an arithmetic number, because the mean of its divisors is an integer number (68820444).

Almost surely, 24945550580 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 4945550580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8258453280).

4945550580 is an abundant number, since it is smaller than the sum of its proper divisors (11571355980).

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

4945550580 is an equidigital number, since it uses as much as digits as its factorization.

4945550580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 4945550580 is about 70324.6086373753. The cubic root of 4945550580 is about 1703.7461310943.

The spelling of 4945550580 in words is "four billion, nine hundred forty-five million, five hundred fifty thousand, five hundred eighty".