Search a number
-
+
828010728 = 233319201757
BaseRepresentation
bin110001010110100…
…111000011101000
32010201001022012000
4301112213003220
53143432320403
6214055051000
726342655306
oct6126470350
92121038160
10828010728
11395432796
121b1370a60
1310270c59c
147bd7b276
154ca5b7a3
hex315a70e8

828010728 has 64 divisors (see below), whose sum is σ = 2421096000. Its totient is φ = 261475776.

The previous prime is 828010693. The next prime is 828010759. The reversal of 828010728 is 827010828.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 828010692 and 828010701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96775 + ... + 104982.

It is an arithmetic number, because the mean of its divisors is an integer number (37829625).

Almost surely, 2828010728 is an apocalyptic number.

It is an amenable number.

828010728 is an abundant number, since it is smaller than the sum of its proper divisors (1593085272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828010728 is a wasteful number, since it uses less digits than its factorization.

828010728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201791 (or 201781 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 828010728 is about 28775.1755511587. The cubic root of 828010728 is about 939.0282427786.

The spelling of 828010728 in words is "eight hundred twenty-eight million, ten thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 108 114 152 171 216 228 342 456 513 684 1026 1368 2052 4104 201757 403514 605271 807028 1210542 1614056 1815813 2421084 3631626 3833383 4842168 5447439 7263252 7666766 10894878 11500149 14526504 15333532 21789756 23000298 30667064 34500447 43579512 46000596 69000894 92001192 103501341 138001788 207002682 276003576 414005364 828010728