Search a number
-
+
424219 = 2631613
BaseRepresentation
bin1100111100100011011
3210112220211
41213210123
5102033334
613031551
73414535
oct1474433
9715824
10424219
1126a7a4
121855b7
1311b123
14b0855
1585a64
hex6791b

424219 has 4 divisors (see below), whose sum is σ = 426096. Its totient is φ = 422344.

The previous prime is 424199. The next prime is 424223. The reversal of 424219 is 912424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424219 - 25 = 424187 is a prime.

It is a super-2 number, since 2×4242192 = 359923519922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424219.

It is not an unprimeable number, because it can be changed into a prime (424019) 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 in 3 ways as a sum of consecutive naturals, for example, 544 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (106524).

2424219 is an apocalyptic number.

424219 is a deficient number, since it is larger than the sum of its proper divisors (1877).

424219 is a wasteful number, since it uses less digits than its factorization.

424219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its digits is 576, while the sum is 22.

The square root of 424219 is about 651.3209654233. The cubic root of 424219 is about 75.1386472383.

The spelling of 424219 in words is "four hundred twenty-four thousand, two hundred nineteen".

Divisors: 1 263 1613 424219