Search a number
-
+
813888002 = 2478658383
BaseRepresentation
bin110000100000101…
…111001000000010
32002201110210110002
4300200233020002
53131323404002
6212432240002
726111635214
oct6040571002
92081423402
10813888002
11388467114
121a86a0002
13cc806345
147a1425b4
154b6bc002
hex3082f202

813888002 has 8 divisors (see below), whose sum is σ = 1246807296. Its totient is φ = 398285572.

The previous prime is 813887969. The next prime is 813888011. The reversal of 813888002 is 200888318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4329098 + ... + 4329285.

It is an arithmetic number, because the mean of its divisors is an integer number (155850912).

Almost surely, 2813888002 is an apocalyptic number.

813888002 is a deficient number, since it is larger than the sum of its proper divisors (432919294).

813888002 is a wasteful number, since it uses less digits than its factorization.

813888002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658432.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 813888002 is about 28528.7224039213. The cubic root of 813888002 is about 933.6588441425.

The spelling of 813888002 in words is "eight hundred thirteen million, eight hundred eighty-eight thousand, two".

Divisors: 1 2 47 94 8658383 17316766 406944001 813888002