Search a number
-
+
1804768842 = 23300794807
BaseRepresentation
bin110101110010010…
…1001011001001010
311122202222202102110
41223210221121022
512144010100332
6455030243150
762503165512
oct15344513112
94582882373
101804768842
118468215a8
124244b64b6
13229b9c876
14131998842
15a869b4cc
hex6b92964a

1804768842 has 8 divisors (see below), whose sum is σ = 3609537696. Its totient is φ = 601589612.

The previous prime is 1804768829. The next prime is 1804768843. The reversal of 1804768842 is 2488674081.

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

1804768842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1804768791 and 1804768800.

It is not an unprimeable number, because it can be changed into a prime (1804768843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150397398 + ... + 150397409.

It is an arithmetic number, because the mean of its divisors is an integer number (451192212).

Almost surely, 21804768842 is an apocalyptic number.

1804768842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1804768842 is a wasteful number, since it uses less digits than its factorization.

1804768842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300794812.

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 1804768842 is about 42482.5710380151. The cubic root of 1804768842 is about 1217.5137133016.

The spelling of 1804768842 in words is "one billion, eight hundred four million, seven hundred sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 300794807 601589614 902384421 1804768842