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4001441 = 6759723
BaseRepresentation
bin1111010000111010100001
321112021221112
433100322201
52011021231
6221433105
746004003
oct17207241
97467845
104001441
112293384
12140b795
13aa1422
14762373
1554092b
hex3d0ea1

4001441 has 4 divisors (see below), whose sum is σ = 4061232. Its totient is φ = 3941652.

The previous prime is 4001411. The next prime is 4001453. The reversal of 4001441 is 1441004.

4001441 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 not a de Polignac number, because 4001441 - 214 = 3985057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001411) 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, 29795 + ... + 29928.

It is an arithmetic number, because the mean of its divisors is an integer number (1015308).

Almost surely, 24001441 is an apocalyptic number.

It is an amenable number.

4001441 is a deficient number, since it is larger than the sum of its proper divisors (59791).

4001441 is an equidigital number, since it uses as much as digits as its factorization.

4001441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59790.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4001441 is about 2000.3602175608. The cubic root of 4001441 is about 158.7591649492.

Adding to 4001441 its reverse (1441004), we get a palindrome (5442445).

The spelling of 4001441 in words is "four million, one thousand, four hundred forty-one".

Divisors: 1 67 59723 4001441