Search a number
BaseRepresentation
bin1000001111011
312210021
41001323
5113334
631311
715205
oct10173
95707
104219
113196
122537
131bc7
141775
1513b4
hex107b

4219 has 2 divisors, whose sum is σ = 4220. Its totient is φ = 4218.

The previous prime is 4217. The next prime is 4229. The reversal of 4219 is 9124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4219 - 21 = 4217 is a prime.

It is a super-2 number, since 2×42192 = 35599922, which contains 22 as substring.

Together with 4217, it forms a pair of twin primes.

It is a plaindrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4219.

It is not a weakly prime, because it can be changed into another prime (4211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109 + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (2110).

24219 is an apocalyptic number.

4219 is the 38-th hex number.

4219 is a deficient number, since it is larger than the sum of its proper divisors (1).

4219 is an equidigital number, since it uses as much as digits as its factorization.

4219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 16.

The square root of 4219 is about 64.9538297562. The cubic root of 4219 is about 16.1585793444.

The spelling of 4219 in words is "four thousand, two hundred nineteen".