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799920000 = 27325411101
BaseRepresentation
bin101111101011011…
…100111110000000
32001202012010221200
4233223130332000
53114234420000
6211213021200
725552131165
oct5753347600
92052163850
10799920000
11380596810
121a3a84800
13c9955659
147834806c
154a35d500
hex2fadcf80

799920000 has 480 divisors, whose sum is σ = 3168954360. Its totient is φ = 192000000.

The previous prime is 799919993. The next prime is 799920029. The reversal of 799920000 is 29997.

It is a tau number, because it is divible by the number of its divisors (480).

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 (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7919950 + ... + 7920050.

Almost surely, 2799920000 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 799920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584477180).

799920000 is an abundant number, since it is smaller than the sum of its proper divisors (2369034360).

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

799920000 is a wasteful number, since it uses less digits than its factorization.

799920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 799920000 is about 28282.8569985424. The cubic root of 799920000 is about 928.2868217655.

Adding to 799920000 its reverse (29997), we get a palindrome (799949997).

The spelling of 799920000 in words is "seven hundred ninety-nine million, nine hundred twenty thousand".