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3930165 = 32587337
BaseRepresentation
bin1110111111100000110101
321101200011200
432333200311
52001231130
6220123113
745256131
oct16774065
97350150
103930165
112244878
121396499
13a77b55
147443c1
15529760
hex3bf835

3930165 has 12 divisors (see below), whose sum is σ = 6812364. Its totient is φ = 2096064.

The previous prime is 3930139. The next prime is 3930191. The reversal of 3930165 is 5610393.

It is an interprime number because it is at equal distance from previous prime (3930139) and next prime (3930191).

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 2852721 = 1038^2 + 1689^2 .

It is not a de Polignac number, because 3930165 - 27 = 3930037 is a prime.

It is a Curzon number.

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, 43624 + ... + 43713.

It is an arithmetic number, because the mean of its divisors is an integer number (567697).

Almost surely, 23930165 is an apocalyptic number.

It is an amenable number.

3930165 is a deficient number, since it is larger than the sum of its proper divisors (2882199).

3930165 is a wasteful number, since it uses less digits than its factorization.

3930165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87348 (or 87345 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 3930165 is about 1982.4643754681. The cubic root of 3930165 is about 157.8108750282.

It can be divided in two parts, 3930 and 165, that added together give a triangular number (4095 = T90).

The spelling of 3930165 in words is "three million, nine hundred thirty thousand, one hundred sixty-five".

Divisors: 1 3 5 9 15 45 87337 262011 436685 786033 1310055 3930165