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1944137 = 131719463
BaseRepresentation
bin111011010101001001001
310122202212002
413122221021
5444203022
6105400345
722345016
oct7325111
93582762
101944137
111108728
127990b5
13530ba0
1438870d
15286092
hex1daa49

1944137 has 16 divisors (see below), whose sum is σ = 2338560. Its totient is φ = 1596672.

The previous prime is 1944133. The next prime is 1944143. The reversal of 1944137 is 7314491.

It is a cyclic number.

It is not a de Polignac number, because 1944137 - 22 = 1944133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944133) 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 15 ways as a sum of consecutive naturals, for example, 3968 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

21944137 is an apocalyptic number.

1944137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1944137 is a deficient number, since it is larger than the sum of its proper divisors (394423).

1944137 is a wasteful number, since it uses less digits than its factorization.

1944137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 3024, while the sum is 29.

The square root of 1944137 is about 1394.3231332801. The cubic root of 1944137 is about 124.8079611196.

The spelling of 1944137 in words is "one million, nine hundred forty-four thousand, one hundred thirty-seven".

Divisors: 1 13 17 19 221 247 323 463 4199 6019 7871 8797 102323 114361 149549 1944137