Search a number
-
+
1444087 is a prime number
BaseRepresentation
bin101100000100011110111
32201100220201
411200203313
5332202322
650541331
715163111
oct5404367
92640821
101444087
118a6a67
12597847
133b73b8
142983b1
151d7d27
hex1608f7

1444087 has 2 divisors, whose sum is σ = 1444088. Its totient is φ = 1444086.

The previous prime is 1444081. The next prime is 1444103. The reversal of 1444087 is 7804441.

It is a weak prime.

It is an emirp because it is prime and its reverse (7804441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444087 - 219 = 919799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444081) 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 as a sum of consecutive naturals, namely, 722043 + 722044.

It is an arithmetic number, because the mean of its divisors is an integer number (722044).

21444087 is an apocalyptic number.

1444087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444087 is an equidigital number, since it uses as much as digits as its factorization.

1444087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 1444087 is about 1201.7017100762. The cubic root of 1444087 is about 113.0310562823.

The spelling of 1444087 in words is "one million, four hundred forty-four thousand, eighty-seven".