Search a number
-
+
804146928 = 243131288697
BaseRepresentation
bin101111111011100…
…100111011110000
32002001010220012120
4233323210323300
53121330200203
6211443354240
725633064454
oct5773447360
92061126176
10804146928
11382a13542
121a5382980
13ca7a55b0
1478b28664
154a8e5b53
hex2fee4ef0

804146928 has 40 divisors (see below), whose sum is σ = 2237179728. Its totient is φ = 247429632.

The previous prime is 804146927. The next prime is 804146947. The reversal of 804146928 is 829641408.

It is a self number, because there is not a number n which added to its sum of digits gives 804146928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804146921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643725 + ... + 644972.

Almost surely, 2804146928 is an apocalyptic number.

It is an amenable number.

804146928 is an abundant number, since it is smaller than the sum of its proper divisors (1433032800).

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

804146928 is a wasteful number, since it uses less digits than its factorization.

804146928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288721 (or 1288715 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 804146928 is about 28357.4845146744. The cubic root of 804146928 is about 929.9190309898.

The spelling of 804146928 in words is "eight hundred four million, one hundred forty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 1288697 2577394 3866091 5154788 7732182 10309576 15464364 16753061 20619152 30928728 33506122 50259183 61857456 67012244 100518366 134024488 201036732 268048976 402073464 804146928