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16028886 = 2310924509
BaseRepresentation
bin111101001001…
…010011010110
31010011100111110
4331021103112
513100411021
61331315450
7253146306
oct75112326
933140443
1016028886
119058815
12544bb86
133422a63
1421b3606
151619476
hexf494d6

16028886 has 16 divisors (see below), whose sum is σ = 32353200. Its totient is φ = 5293728.

The previous prime is 16028869. The next prime is 16028899. The reversal of 16028886 is 68882061.

It is a congruent number.

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, 11601 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (2022075).

Almost surely, 216028886 is an apocalyptic number.

16028886 is an abundant number, since it is smaller than the sum of its proper divisors (16324314).

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

16028886 is a wasteful number, since it uses less digits than its factorization.

16028886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24623.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 16028886 is about 4003.6091217800. The cubic root of 16028886 is about 252.1357608112.

The spelling of 16028886 in words is "sixteen million, twenty-eight thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 109 218 327 654 24509 49018 73527 147054 2671481 5342962 8014443 16028886