Its a 5 digit number where…
1st digit denotes how many zeroes are there in the number
2nd digit denotes how many ones are there in the number
3rd digit denotes how many twos are there in the number
4th digit denotes how many threes are there in the number
5th digit denotes how many fours are there in the number

What is the five-digit number, no zeroes, in which the second digit is three times the first, the third is one more than the second, the fourth is four times the first, and the last is one-half more than the second?