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3841381 is a prime number
BaseRepresentation
bin1110101001110101100101
321020011101101
432221311211
51440411011
6214200101
744436235
oct16516545
97204341
103841381
1121940a5
121353031
13a4660b
1471dcc5
1550d2c1
hex3a9d65

3841381 has 2 divisors, whose sum is σ = 3841382. Its totient is φ = 3841380.

The previous prime is 3841373. The next prime is 3841393. The reversal of 3841381 is 1831483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 1069156 = 1665^2 + 1034^2 .

It is an emirp because it is prime and its reverse (1831483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3841381 - 23 = 3841373 is a prime.

It is a super-2 number, since 2×38413812 = 29512415974322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3841301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920690 + 1920691.

It is an arithmetic number, because the mean of its divisors is an integer number (1920691).

Almost surely, 23841381 is an apocalyptic number.

It is an amenable number.

3841381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3841381 is an equidigital number, since it uses as much as digits as its factorization.

3841381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 3841381 is about 1959.9441318568. The cubic root of 3841381 is about 156.6134757309.

The spelling of 3841381 in words is "three million, eight hundred forty-one thousand, three hundred eighty-one".