Search a number
-
+
8005939200 = 212325271773
BaseRepresentation
bin1110111010011000…
…01111000000000000
3202122221120211221200
413131030033000000
5112344010023300
63402231021200
7402252234420
oct73514170000
922587524850
108005939200
113439164686
12167520a800
139a784253c
1455d3b2480
1531ccc0200
hex1dd30f000

8005939200 has 936 divisors, whose sum is σ = 35175168288. Its totient is φ = 1698693120.

The previous prime is 8005939187. The next prime is 8005939223. The reversal of 8005939200 is 29395008.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 109670364 + ... + 109670436.

It is an arithmetic number, because the mean of its divisors is an integer number (37580308).

Almost surely, 28005939200 is an apocalyptic number.

8005939200 is a gapful number since it is divisible by the number (80) 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 8005939200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17587584144).

8005939200 is an abundant number, since it is smaller than the sum of its proper divisors (27169229088).

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

8005939200 is a wasteful number, since it uses less digits than its factorization.

8005939200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 8005939200 is about 89475.9140774767. The cubic root of 8005939200 is about 2000.4948109043.

The spelling of 8005939200 in words is "eight billion, five million, nine hundred thirty-nine thousand, two hundred".