Search a number
-
+
4849661808 = 243517239307
BaseRepresentation
bin1001000010000111…
…11111011101110000
3110111222111100100000
410201003333131300
534413003134213
62121121030000
7231115305465
oct44103773560
913458440300
104849661808
112069564772
12b34185300
135c3971a94
1434012966c
151d5b5bc73
hex1210ff770

4849661808 has 240 divisors, whose sum is σ = 15014039040. Its totient is φ = 1510161408.

The previous prime is 4849661759. The next prime is 4849661867. The reversal of 4849661808 is 8081669484.

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

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 15796791 + ... + 15797097.

It is an arithmetic number, because the mean of its divisors is an integer number (62558496).

Almost surely, 24849661808 is an apocalyptic number.

4849661808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4849661808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7507019520).

4849661808 is an abundant number, since it is smaller than the sum of its proper divisors (10164377232).

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

4849661808 is a wasteful number, since it uses less digits than its factorization.

4849661808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 4849661808 is about 69639.5132665357. The cubic root of 4849661808 is about 1692.6629362398.

The spelling of 4849661808 in words is "four billion, eight hundred forty-nine million, six hundred sixty-one thousand, eight hundred eight".