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1444142 = 27293557
BaseRepresentation
bin101100000100100101110
32201100222202
411200210232
5332203032
650541502
715163220
oct5404456
92640882
101444142
118a7007
12597892
133b742b
14298410
151d7d62
hex16092e

1444142 has 16 divisors (see below), whose sum is σ = 2561760. Its totient is φ = 597408.

The previous prime is 1444111. The next prime is 1444181. The reversal of 1444142 is 2414441.

It is a happy number.

It is a super-2 number, since 2×14441422 = 4171092232328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (160110).

21444142 is an apocalyptic number.

1444142 is a deficient number, since it is larger than the sum of its proper divisors (1117618).

1444142 is a wasteful number, since it uses less digits than its factorization.

1444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its digits is 512, while the sum is 20.

The square root of 1444142 is about 1201.7245940730. The cubic root of 1444142 is about 113.0324912442.

Adding to 1444142 its reverse (2414441), we get a palindrome (3858583).

Subtracting 1444142 from its reverse (2414441), we obtain a cube (970299 = 993).

The spelling of 1444142 in words is "one million, four hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 29 58 203 406 3557 7114 24899 49798 103153 206306 722071 1444142