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1442241 = 32191839
BaseRepresentation
bin101100000000111000001
32201021101100
411200013001
5332122431
650525013
715154533
oct5400701
92637340
101442241
118a5639
12596769
133b65c8
14297853
151d74e6
hex1601c1

1442241 has 12 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 955320.

The previous prime is 1442227. The next prime is 1442251. The reversal of 1442241 is 1422441.

It is not a de Polignac number, because 1442241 - 25 = 1442209 is a prime.

It is a super-3 number, since 3×14422413 = 8999839558333210563, which contains 333 as substring.

1442241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1442251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1300 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

21442241 is an apocalyptic number.

It is an amenable number.

1442241 is a deficient number, since it is larger than the sum of its proper divisors (654399).

1442241 is a wasteful number, since it uses less digits than its factorization.

1442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1033 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1442241 is about 1200.9333869953. The cubic root of 1442241 is about 112.9828725967.

Adding to 1442241 its reverse (1422441), we get a palindrome (2864682).

The spelling of 1442241 in words is "one million, four hundred forty-two thousand, two hundred forty-one".

Divisors: 1 3 9 191 573 839 1719 2517 7551 160249 480747 1442241