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3824389 = 9534013
BaseRepresentation
bin1110100101101100000101
321012022002001
432211230011
51434340024
6213545301
744335552
oct16455405
97168061
103824389
112182358
121345231
13a3b96a
14717a29
15508244
hex3a5b05

3824389 has 4 divisors (see below), whose sum is σ = 3829356. Its totient is φ = 3819424.

The previous prime is 3824347. The next prime is 3824413. The reversal of 3824389 is 9834283.

3824389 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 2455489 + 1368900 = 1567^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 3824389 - 29 = 3823877 is a prime.

It is a d-powerful number, because it can be written as 36 + 8 + 217 + 45 + 313 + 87 + 92 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3824089) by changing a digit.

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, 1054 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (957339).

Almost surely, 23824389 is an apocalyptic number.

It is an amenable number.

3824389 is a deficient number, since it is larger than the sum of its proper divisors (4967).

3824389 is an equidigital number, since it uses as much as digits as its factorization.

3824389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its digits is 41472, while the sum is 37.

The square root of 3824389 is about 1955.6045101196. The cubic root of 3824389 is about 156.3822125754.

The spelling of 3824389 in words is "three million, eight hundred twenty-four thousand, three hundred eighty-nine".

Divisors: 1 953 4013 3824389