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4081841 = 6760923
BaseRepresentation
bin1111100100100010110001
321200101020022
433210202301
52021104331
6223253225
746460261
oct17444261
97611208
104081841
112338825
12144a215
13acbbba
147837a1
1555967b
hex3e48b1

4081841 has 4 divisors (see below), whose sum is σ = 4142832. Its totient is φ = 4020852.

The previous prime is 4081813. The next prime is 4081849. The reversal of 4081841 is 1481804.

4081841 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4081841 is a prime.

It is a super-2 number, since 2×40818412 = 33322851898562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4081841.

It is not an unprimeable number, because it can be changed into a prime (4081849) 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, 30395 + ... + 30528.

It is an arithmetic number, because the mean of its divisors is an integer number (1035708).

Almost surely, 24081841 is an apocalyptic number.

It is an amenable number.

4081841 is a deficient number, since it is larger than the sum of its proper divisors (60991).

4081841 is an equidigital number, since it uses as much as digits as its factorization.

4081841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60990.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 4081841 is about 2020.3566516831. The cubic root of 4081841 is about 159.8154251786.

The spelling of 4081841 in words is "four million, eighty-one thousand, eight hundred forty-one".

Divisors: 1 67 60923 4081841