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8104325 = 521719069
BaseRepresentation
bin11110111010100110000101
3120020202001012
4132322212011
54033314300
6445412005
7125612525
oct36724605
916222035
108104325
114635999
12286a005
1318a9a78
14110d685
15aa1435
hex7ba985

8104325 has 12 divisors (see below), whose sum is σ = 10641060. Its totient is φ = 6101760.

The previous prime is 8104309. The next prime is 8104331. The reversal of 8104325 is 5234018.

It can be written as a sum of positive squares in 6 ways, for example, as 1018081 + 7086244 = 1009^2 + 2662^2 .

It is not a de Polignac number, because 8104325 - 24 = 8104309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8104325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9110 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (886755).

Almost surely, 28104325 is an apocalyptic number.

8104325 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8104325 is a deficient number, since it is larger than the sum of its proper divisors (2536735).

8104325 is a wasteful number, since it uses less digits than its factorization.

8104325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096 (or 19091 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8104325 is about 2846.8096178002. The cubic root of 8104325 is about 200.8656230783.

The spelling of 8104325 in words is "eight million, one hundred four thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 19069 95345 324173 476725 1620865 8104325