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1444137 = 3481379
BaseRepresentation
bin101100000100100101001
32201100222120
411200210221
5332203022
650541453
715163212
oct5404451
92640876
101444137
118a7002
12597889
133b7426
14298409
151d7d5c
hex160929

1444137 has 4 divisors (see below), whose sum is σ = 1925520. Its totient is φ = 962756.

The previous prime is 1444111. The next prime is 1444181. The reversal of 1444137 is 7314441.

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 1444137 - 214 = 1427753 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1444187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240687 + ... + 240692.

It is an arithmetic number, because the mean of its divisors is an integer number (481380).

21444137 is an apocalyptic number.

It is an amenable number.

1444137 is a deficient number, since it is larger than the sum of its proper divisors (481383).

1444137 is an equidigital number, since it uses as much as digits as its factorization.

1444137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481382.

The product of its digits is 1344, while the sum is 24.

The square root of 1444137 is about 1201.7225137277. The cubic root of 1444137 is about 113.0323607946.

Adding to 1444137 its reverse (7314441), we get a palindrome (8758578).

The spelling of 1444137 in words is "one million, four hundred forty-four thousand, one hundred thirty-seven".

Divisors: 1 3 481379 1444137