Search a number
-
+
2144719 is a prime number
BaseRepresentation
bin1000001011100111001111
311000222000001
420023213033
51022112334
6113545131
724141553
oct10134717
94028001
102144719
1112353a5
128751a7
135a1285
143db863
152c5714
hex20b9cf

2144719 has 2 divisors, whose sum is σ = 2144720. Its totient is φ = 2144718.

The previous prime is 2144717. The next prime is 2144729. The reversal of 2144719 is 9174412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144719 - 21 = 2144717 is a prime.

It is a super-2 number, since 2×21447192 = 9199639177922, which contains 22 as substring.

Together with 2144717, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072359 + 1072360.

It is an arithmetic number, because the mean of its divisors is an integer number (1072360).

22144719 is an apocalyptic number.

2144719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144719 is an equidigital number, since it uses as much as digits as its factorization.

2144719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 2144719 is about 1464.4859166274. The cubic root of 2144719 is about 128.9605271533.

The spelling of 2144719 in words is "two million, one hundred forty-four thousand, seven hundred nineteen".