Easy question converting numbers to hours

Hi all, I know this should be easy, but how would you convert whole numbers into HH:MM format? Like say 1156 into 11:56 ? Thank you

Answer 1

[Azzi Abdelmalek]

datestr(datenum(sprintf('%04d',1156),'HHMM') ,'HH:MM')

Or

a=sprintf('%04d',1156)
a=sprintf('%s:%s',a(1:2),a(3:4))