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804427285 = 58312371567
BaseRepresentation
bin101111111100101…
…001011000010101
32002001200010210011
4233330221120111
53121413133120
6211453400221
725635343024
oct5774513025
92061603704
10804427285
11383095142
121a5499071
13ca87309c
1478b9c8bb
154a94dc5a
hex2ff29615

804427285 has 16 divisors (see below), whose sum is σ = 978356736. Its totient is φ = 634868928.

The previous prime is 804427279. The next prime is 804427289. The reversal of 804427285 is 582724408.

It is a cyclic number.

It is not a de Polignac number, because 804427285 - 27 = 804427157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804427289) 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 in 15 ways as a sum of consecutive naturals, for example, 512572 + ... + 514138.

It is an arithmetic number, because the mean of its divisors is an integer number (61147296).

Almost surely, 2804427285 is an apocalyptic number.

It is an amenable number.

804427285 is a deficient number, since it is larger than the sum of its proper divisors (173929451).

804427285 is a wasteful number, since it uses less digits than its factorization.

804427285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 804427285 is about 28362.4273467558. The cubic root of 804427285 is about 930.0270871210.

The spelling of 804427285 in words is "eight hundred four million, four hundred twenty-seven thousand, two hundred eighty-five".

Divisors: 1 5 83 415 1237 1567 6185 7835 102671 130061 513355 650305 1938379 9691895 160885457 804427285