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3829865 = 51358921
BaseRepresentation
bin1110100111000001101001
321012120120212
432213001221
51440023430
6214030505
744360534
oct16470151
97176525
103829865
112186486
121348435
13a412c0
14719a1b
15509b95
hex3a7069

3829865 has 8 divisors (see below), whose sum is σ = 4949448. Its totient is φ = 2828160.

The previous prime is 3829853. The next prime is 3829873. The reversal of 3829865 is 5689283.

3829865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 3829849 = 4^2 + 1957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3829865 - 26 = 3829801 is a prime.

It is a d-powerful number, because it can be written as 39 + 83 + 221 + 9 + 85 + 68 + 53 .

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 7 ways as a sum of consecutive naturals, for example, 29396 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (618681).

Almost surely, 23829865 is an apocalyptic number.

It is an amenable number.

3829865 is a deficient number, since it is larger than the sum of its proper divisors (1119583).

3829865 is a wasteful number, since it uses less digits than its factorization.

3829865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58939.

The product of its digits is 103680, while the sum is 41.

The square root of 3829865 is about 1957.0040878854. The cubic root of 3829865 is about 156.4568162656.

The spelling of 3829865 in words is "three million, eight hundred twenty-nine thousand, eight hundred sixty-five".

Divisors: 1 5 13 65 58921 294605 765973 3829865