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800243712 = 2143667
BaseRepresentation
bin101111101100101…
…100000000000000
32001202210121000000
4233230230000000
53114330244322
6211224000000
725554650022
oct5754540000
92052717000
10800243712
11380797a44
121a4000000
13c9a39ab8
14783d0012
154a3c43ac
hex2fb2c000

800243712 has 210 divisors, whose sum is σ = 2435374508. Its totient is φ = 262766592.

The previous prime is 800243683. The next prime is 800243713. The reversal of 800243712 is 217342008.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (800243713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11943903 + ... + 11943969.

Almost surely, 2800243712 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 800243712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217687254).

800243712 is an abundant number, since it is smaller than the sum of its proper divisors (1635130796).

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

800243712 is an frugal number, since it uses more digits than its factorization.

800243712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 800243712 is about 28288.5791795912. The cubic root of 800243712 is about 928.4120247264.

The spelling of 800243712 in words is "eight hundred million, two hundred forty-three thousand, seven hundred twelve".