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8185325 = 52378849
BaseRepresentation
bin11111001110010111101101
3120101212011012
4133032113231
54043412300
6451235005
7126400631
oct37162755
916355135
108185325
114690835
1228a8a65
1319078b5
141130dc1
15aba435
hex7ce5ed

8185325 has 12 divisors (see below), whose sum is σ = 10425300. Its totient is φ = 6370560.

The previous prime is 8185301. The next prime is 8185369. The reversal of 8185325 is 5235818.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 644809 + 7540516 = 803^2 + 2746^2 .

It is not a de Polignac number, because 8185325 - 210 = 8184301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8185291 and 8185300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3500 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (868775).

Almost surely, 28185325 is an apocalyptic number.

It is an amenable number.

8185325 is a deficient number, since it is larger than the sum of its proper divisors (2239975).

8185325 is a wasteful number, since it uses less digits than its factorization.

8185325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896 (or 8891 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 8185325 is about 2861.0006990562. Note that the first 3 decimals coincide. The cubic root of 8185325 is about 201.5326006769.

The spelling of 8185325 in words is "eight million, one hundred eighty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 37 185 925 8849 44245 221225 327413 1637065 8185325