>can i get for 32 Mb

You can get it yourself:

1. Start Windows Calculater
2. Click on View menu and choose 'Scientific'
3. Type 32*1024*1024=
4. Click on Hex radio button.

To get another Hex value,

5. Click on Dec radio button
6. Type nnn*1024*1024=
7. Click on Hex radio button

BTW, the hex value for 32MB is 0x06400000.