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2009219 is a prime number
BaseRepresentation
bin111101010100010000011
310210002010112
413222202003
51003243334
6111021535
723035532
oct7524203
93702115
102009219
111152613
1280a8ab
135546b4
143a4319
1529a4ce
hex1ea883

2009219 has 2 divisors, whose sum is σ = 2009220. Its totient is φ = 2009218.

The previous prime is 2009209. The next prime is 2009233. The reversal of 2009219 is 9129002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009219 - 220 = 960643 is a prime.

It is a super-3 number, since 3×20092193 = 24333416169865351377, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2009194 and 2009203.

It is not a weakly prime, because it can be changed into another prime (2009209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004609 + 1004610.

It is an arithmetic number, because the mean of its divisors is an integer number (1004610).

22009219 is an apocalyptic number.

2009219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009219 is an equidigital number, since it uses as much as digits as its factorization.

2009219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2009219 is about 1417.4692236518. The cubic root of 2009219 is about 126.1853951720.

The spelling of 2009219 in words is "two million, nine thousand, two hundred nineteen".