problem with decoding coordinates from int to lat and long!!!

I have a problem with my coordinates.
I have a binary file with coordinates, I decoded them to integers and
then devided by 600000 to convert to Lat and Long but looks like
something is wrong...
could you have a look and help....

88DB81 result 2296055809

4815B51 result 1209382145

41765 7 02:58:55lat= 3826.759681666667lon= 2015.6369083333334

19DB81 result 433784833

4515B51 result 1159050497

41768 7 02:59:55lat= 722.9747216666667lon= 1931.7508283333334

24FE81 result 620627969

EAD8B31 result 3940070145

43142 15 15:40:04lat= 1034.3799483333332lon= 6566.783575

B6FD81 result 3070035969

E9D8B31 result 3923292929

43145 15 15:41:03lat= 5116.726615lon= 6538.821548333333

4DFD81 result 1308428289

E5D8B31 result 3856184065

43147 15 15:41:45lat= 2180.713815lon= 6426.973441666667

DCFC81 result 3707504641

E0D8B31 result 3772297985

43150 15 15:42:44lat= 6179.174401666667lon= 6287.163308333334

73FC81 result 1945896961

DED8B31 result 3738743553

43152 15 15:43:24lat= 3243.1616016666667lon= 6231.239255

5FC81 result 100403201

DDD8B31 result 3721966337

43154 15 15:44:05lat= 167.33866833333335lon= 6203.277228333333

D3CF171 result 3553564417

8024ED0 result 2149903616

55700 11 03:18:39lat= 5922.607361666666lon= 3583.1726933333334

I should get something around lat 28 and long 47...
Any help
thanx.