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16106728 = 23111031777
BaseRepresentation
bin111101011100…
…010011101000
31010022022021111
4331130103220
513110403403
61333120104
7253622251
oct75342350
933268244
1016106728
119101250
125489034
13344c311
1421d3b28
15163256d
hexf5c4e8

16106728 has 32 divisors (see below), whose sum is σ = 33284160. Its totient is φ = 7246080.

The previous prime is 16106711. The next prime is 16106747. The reversal of 16106728 is 82760161.

It is a self number, because there is not a number n which added to its sum of digits gives 16106728.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8176 + ... + 9952.

It is an arithmetic number, because the mean of its divisors is an integer number (1040130).

Almost surely, 216106728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16106728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16642080).

16106728 is an abundant number, since it is smaller than the sum of its proper divisors (17177432).

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

16106728 is a wasteful number, since it uses less digits than its factorization.

16106728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 16106728 is about 4013.3188261089. The cubic root of 16106728 is about 252.5432556682.

Adding to 16106728 its reverse (82760161), we get a palindrome (98866889).

It can be divided in two parts, 1610 and 6728, that added together give a palindrome (8338).

The spelling of 16106728 in words is "sixteen million, one hundred six thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 11 22 44 88 103 206 412 824 1133 1777 2266 3554 4532 7108 9064 14216 19547 39094 78188 156376 183031 366062 732124 1464248 2013341 4026682 8053364 16106728