Search a number
-
+
4839826640 = 245113125997
BaseRepresentation
bin1001000000111100…
…11110010011010000
3110111021222200000112
410200132132103100
534402443423030
62120130140452
7230635563515
oct44036362320
913437880015
104839826640
112063a57430
12b30a21728
135c190a25c
1433cac930c
151d4d67a95
hex12079e4d0

4839826640 has 240 divisors, whose sum is σ = 13032290880. Its totient is φ = 1657036800.

The previous prime is 4839826639. The next prime is 4839826643. The reversal of 4839826640 is 466289384.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4839826643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49895072 + ... + 49895168.

It is an arithmetic number, because the mean of its divisors is an integer number (54301212).

Almost surely, 24839826640 is an apocalyptic number.

4839826640 is a gapful number since it is divisible by the number (40) 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 4839826640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6516145440).

4839826640 is an abundant number, since it is smaller than the sum of its proper divisors (8192464240).

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

4839826640 is a wasteful number, since it uses less digits than its factorization.

4839826640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 4839826640 is about 69568.8625751492. The cubic root of 4839826640 is about 1691.5179154420.

The spelling of 4839826640 in words is "four billion, eight hundred thirty-nine million, eight hundred twenty-six thousand, six hundred forty".