Search a number
-
+
800242568 = 23100030321
BaseRepresentation
bin101111101100101…
…011101110001000
32001202210112102122
4233230223232020
53114330230233
6211223550412
725554643466
oct5754535610
92052715378
10800242568
113807970a4
121a3bbb408
13c9a39418
14783cd836
154a3c3d98
hex2fb2bb88

800242568 has 8 divisors (see below), whose sum is σ = 1500454830. Its totient is φ = 400121280.

The previous prime is 800242567. The next prime is 800242577. The reversal of 800242568 is 865242008.

It can be written as a sum of positive squares in only one way, i.e., 731053444 + 69189124 = 27038^2 + 8318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (800242567) by changing a digit.

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 as a sum of consecutive naturals, namely, 50015153 + ... + 50015168.

Almost surely, 2800242568 is an apocalyptic number.

It is an amenable number.

800242568 is a deficient number, since it is larger than the sum of its proper divisors (700212262).

800242568 is a wasteful number, since it uses less digits than its factorization.

800242568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100030327 (or 100030323 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 800242568 is about 28288.5589594097. The cubic root of 800242568 is about 928.4115823179.

The spelling of 800242568 in words is "eight hundred million, two hundred forty-two thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 100030321 200060642 400121284 800242568