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16330028 = 22111328549
BaseRepresentation
bin111110010010…
…110100101100
31010201122120212
4332102310230
513140030103
61342001552
7255542261
oct76226454
933648525
1016330028
119243aa0
1255762b8
1334c9b50
142251268
1516787d8
hexf92d2c

16330028 has 24 divisors (see below), whose sum is σ = 33574800. Its totient is φ = 6851520.

The previous prime is 16330021. The next prime is 16330031. The reversal of 16330028 is 82003361.

It is a junction number, because it is equal to n+sod(n) for n = 16329985 and 16330012.

It is not an unprimeable number, because it can be changed into a prime (16330021) by changing a digit.

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, 13703 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (1398950).

Almost surely, 216330028 is an apocalyptic number.

It is an amenable number.

16330028 is an abundant number, since it is smaller than the sum of its proper divisors (17244772).

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

16330028 is a wasteful number, since it uses less digits than its factorization.

16330028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28577 (or 28575 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16330028 is about 4041.0429346890. The cubic root of 16330028 is about 253.7049708575.

Adding to 16330028 its reverse (82003361), we get a palindrome (98333389).

The spelling of 16330028 in words is "sixteen million, three hundred thirty thousand, twenty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 28549 57098 114196 314039 371137 628078 742274 1256156 1484548 4082507 8165014 16330028