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16289313 = 323236077
BaseRepresentation
bin111110001000…
…111000100001
31010122120201220
4332020320201
513132224223
61341045253
7255312465
oct76107041
933576656
1016289313
119216447
125556829
1334b4461
1422404a5
15166b6e3
hexf88e21

16289313 has 8 divisors (see below), whose sum is σ = 22663488. Its totient is φ = 10387344.

The previous prime is 16289311. The next prime is 16289321. The reversal of 16289313 is 31398261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16289313 - 21 = 16289311 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16289311) 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 7 ways as a sum of consecutive naturals, for example, 117970 + ... + 118107.

It is an arithmetic number, because the mean of its divisors is an integer number (2832936).

Almost surely, 216289313 is an apocalyptic number.

It is an amenable number.

16289313 is a deficient number, since it is larger than the sum of its proper divisors (6374175).

16289313 is a wasteful number, since it uses less digits than its factorization.

16289313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236103.

The product of its digits is 7776, while the sum is 33.

The square root of 16289313 is about 4036.0021060450. The cubic root of 16289313 is about 253.4939445896.

The spelling of 16289313 in words is "sixteen million, two hundred eighty-nine thousand, three hundred thirteen".

Divisors: 1 3 23 69 236077 708231 5429771 16289313