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804315 = 3529432
BaseRepresentation
bin11000100010111011011
31111212022110
43010113123
5201214230
625123403
76556641
oct3042733
91455273
10804315
114aa326
12329563
13222135
1416d191
1510d4b0
hexc45db

804315 has 24 divisors (see below), whose sum is σ = 1362960. Its totient is φ = 404544.

The previous prime is 804313. The next prime is 804317. The reversal of 804315 is 513408.

It is an interprime number because it is at equal distance from previous prime (804313) and next prime (804317).

It is not a de Polignac number, because 804315 - 21 = 804313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804291 and 804300.

It is not an unprimeable number, because it can be changed into a prime (804313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18684 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (56790).

2804315 is an apocalyptic number.

804315 is a deficient number, since it is larger than the sum of its proper divisors (558645).

804315 is a wasteful number, since it uses less digits than its factorization.

804315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 804315 is about 896.8361054284. The cubic root of 804315 is about 92.9983812876.

The spelling of 804315 in words is "eight hundred four thousand, three hundred fifteen".

Divisors: 1 3 5 15 29 43 87 129 145 215 435 645 1247 1849 3741 5547 6235 9245 18705 27735 53621 160863 268105 804315