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16684312 = 232085539
BaseRepresentation
bin111111101001…
…010100011000
31011101122120111
4333221110120
513232344222
61353334104
7261546211
oct77512430
934348514
1016684312
119466197
125707334
1335c2198
142304408
1516e8777
hexfe9518

16684312 has 8 divisors (see below), whose sum is σ = 31283100. Its totient is φ = 8342152.

The previous prime is 16684289. The next prime is 16684313. The reversal of 16684312 is 21348661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684313) 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 as a sum of consecutive naturals, namely, 1042762 + ... + 1042777.

Almost surely, 216684312 is an apocalyptic number.

It is an amenable number.

16684312 is a deficient number, since it is larger than the sum of its proper divisors (14598788).

16684312 is a wasteful number, since it uses less digits than its factorization.

16684312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085545 (or 2085541 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 16684312 is about 4084.6434360908. The cubic root of 16684312 is about 255.5265909062.

The spelling of 16684312 in words is "sixteen million, six hundred eighty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 2085539 4171078 8342156 16684312