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3806065 = 5761213
BaseRepresentation
bin1110100001001101110001
321011100221101
432201031301
51433243230
6213324401
744231254
oct16411561
97140841
103806065
11216a60a
121336701
13a33513
1471109b
15502aca
hex3a1371

3806065 has 4 divisors (see below), whose sum is σ = 4567284. Its totient is φ = 3044848.

The previous prime is 3806051. The next prime is 3806083. The reversal of 3806065 is 5606083.

3806065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 1912689 = 1376^2 + 1383^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806065 - 213 = 3797873 is a prime.

It is a super-2 number, since 2×38060652 = 28972261568450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 380602 + ... + 380611.

It is an arithmetic number, because the mean of its divisors is an integer number (1141821).

Almost surely, 23806065 is an apocalyptic number.

It is an amenable number.

3806065 is a deficient number, since it is larger than the sum of its proper divisors (761219).

3806065 is an equidigital number, since it uses as much as digits as its factorization.

3806065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761218.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3806065 is about 1950.9138884123. The cubic root of 3806065 is about 156.1320517870.

The spelling of 3806065 in words is "three million, eight hundred six thousand, sixty-five".

Divisors: 1 5 761213 3806065