Search a number
-
+
814387200 = 21235211241
BaseRepresentation
bin110000100010101…
…001000000000000
32002202102011012220
4300202221000000
53131440342300
6212451051040
726116114464
oct6042510000
92082364186
10814387200
11388778180
121a88a0a80
13cc94c623
147a2324a4
154b769da0
hex308a9000

814387200 has 312 divisors, whose sum is σ = 2949546336. Its totient is φ = 196608000.

The previous prime is 814387187. The next prime is 814387201. The reversal of 814387200 is 2783418.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (814387201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3379080 + ... + 3379320.

Almost surely, 2814387200 is an apocalyptic number.

814387200 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 814387200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474773168).

814387200 is an abundant number, since it is smaller than the sum of its proper divisors (2135159136).

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

814387200 is a wasteful number, since it uses less digits than its factorization.

814387200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 814387200 is about 28537.4701051092. The cubic root of 814387200 is about 933.8496916010.

The spelling of 814387200 in words is "eight hundred fourteen million, three hundred eighty-seven thousand, two hundred".