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804375620 = 22540218781
BaseRepresentation
bin101111111100011…
…100110001000100
32002001120111220122
4233330130301010
53121410004440
6211452321112
725635036266
oct5774346104
92061514818
10804375620
1138305a344
121a5473198
13ca855709
1478b87b36
154a93d7b5
hex2ff1cc44

804375620 has 12 divisors (see below), whose sum is σ = 1689188844. Its totient is φ = 321750240.

The previous prime is 804375617. The next prime is 804375643. The reversal of 804375620 is 26573408.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 610386436 + 193989184 = 24706^2 + 13928^2 .

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, 20109371 + ... + 20109410.

It is an arithmetic number, because the mean of its divisors is an integer number (140765737).

Almost surely, 2804375620 is an apocalyptic number.

It is an amenable number.

804375620 is an abundant number, since it is smaller than the sum of its proper divisors (884813224).

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

804375620 is a wasteful number, since it uses less digits than its factorization.

804375620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40218790 (or 40218788 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 804375620 is about 28361.5165320897. The cubic root of 804375620 is about 930.0071761114.

The spelling of 804375620 in words is "eight hundred four million, three hundred seventy-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 40218781 80437562 160875124 201093905 402187810 804375620