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6424441 = 13946219
BaseRepresentation
bin11000100000011101111001
3110002101200021
4120200131321
53121040231
6345410441
7105415102
oct30403571
913071607
106424441
113698861
122199a21
13143c25a
14bd33a9
1586d811
hex620779

6424441 has 4 divisors (see below), whose sum is σ = 6470800. Its totient is φ = 6378084.

The previous prime is 6424427. The next prime is 6424447. The reversal of 6424441 is 1444246.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1444246 = 2722123.

It is a cyclic number.

It is not a de Polignac number, because 6424441 - 29 = 6423929 is a prime.

It is an Ulam number.

It is a Duffinian number.

6424441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6424447) 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, 22971 + ... + 23248.

It is an arithmetic number, because the mean of its divisors is an integer number (1617700).

Almost surely, 26424441 is an apocalyptic number.

It is an amenable number.

6424441 is a deficient number, since it is larger than the sum of its proper divisors (46359).

6424441 is a wasteful number, since it uses less digits than its factorization.

6424441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46358.

The product of its digits is 3072, while the sum is 25.

The square root of 6424441 is about 2534.6481018082. The cubic root of 6424441 is about 185.8995970242.

Adding to 6424441 its reverse (1444246), we get a palindrome (7868687).

The spelling of 6424441 in words is "six million, four hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 139 46219 6424441