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16808412 = 2231400701
BaseRepresentation
bin100000000011…
…1100111011100
31011121221210210
41000013213130
513300332122
61400132420
7262604055
oct100074734
934557723
1016808412
119540455
125767110
13363680a
14233772c
15172040c
hex10079dc

16808412 has 12 divisors (see below), whose sum is σ = 39219656. Its totient is φ = 5602800.

The previous prime is 16808381. The next prime is 16808419. The reversal of 16808412 is 21480861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16808412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16808419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700339 + ... + 700362.

Almost surely, 216808412 is an apocalyptic number.

16808412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16808412 is an abundant number, since it is smaller than the sum of its proper divisors (22411244).

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

16808412 is a wasteful number, since it uses less digits than its factorization.

16808412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400708 (or 1400706 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16808412 is about 4099.8063368896. The cubic root of 16808412 is about 256.1585728169.

The spelling of 16808412 in words is "sixteen million, eight hundred eight thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 1400701 2801402 4202103 5602804 8404206 16808412