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3865325 = 52154613
BaseRepresentation
bin1110101111101011101101
321021101020012
432233223231
51442142300
6214503005
744566112
oct16575355
97241205
103865325
112200092
121364a65
13a54499
14728909
15515435
hex3afaed

3865325 has 6 divisors (see below), whose sum is σ = 4793034. Its totient is φ = 3092240.

The previous prime is 3865321. The next prime is 3865331. The reversal of 3865325 is 5235683.

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 3865156 = 13^2 + 1966^2 .

It is not a de Polignac number, because 3865325 - 22 = 3865321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3865291 and 3865300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77282 + ... + 77331.

It is an arithmetic number, because the mean of its divisors is an integer number (798839).

Almost surely, 23865325 is an apocalyptic number.

It is an amenable number.

3865325 is a deficient number, since it is larger than the sum of its proper divisors (927709).

3865325 is a wasteful number, since it uses less digits than its factorization.

3865325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154623 (or 154618 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 3865325 is about 1966.0429802016. The cubic root of 3865325 is about 156.9382017049.

The spelling of 3865325 in words is "three million, eight hundred sixty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 154613 773065 3865325