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1944049 is a prime number
BaseRepresentation
bin111011010100111110001
310122202201211
413122213301
5444202144
6105400121
722344532
oct7324761
93582654
101944049
111108658
12799041
13530b33
14388689
15286034
hex1da9f1

1944049 has 2 divisors, whose sum is σ = 1944050. Its totient is φ = 1944048.

The previous prime is 1944013. The next prime is 1944053. The reversal of 1944049 is 9404491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 3600 = 1393^2 + 60^2 .

It is an emirp because it is prime and its reverse (9404491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1944049 - 29 = 1943537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1944049.

It is not a weakly prime, because it can be changed into another prime (1944079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972024 + 972025.

It is an arithmetic number, because the mean of its divisors is an integer number (972025).

21944049 is an apocalyptic number.

It is an amenable number.

1944049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944049 is an equidigital number, since it uses as much as digits as its factorization.

1944049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1944049 is about 1394.2915763928. The cubic root of 1944049 is about 124.8060779762.

The spelling of 1944049 in words is "one million, nine hundred forty-four thousand, forty-nine".