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16983089 = 65925771
BaseRepresentation
bin100000011001…
…0010000110001
31011221211102022
41000302100301
513321424324
61404001225
7264232244
oct100622061
934854368
1016983089
11964a712
125830215
133698186
14238125b
15175705e
hex1032431

16983089 has 4 divisors (see below), whose sum is σ = 17009520. Its totient is φ = 16956660.

The previous prime is 16983079. The next prime is 16983097. The reversal of 16983089 is 98038961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16983089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16983019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12227 + ... + 13544.

It is an arithmetic number, because the mean of its divisors is an integer number (4252380).

Almost surely, 216983089 is an apocalyptic number.

It is an amenable number.

16983089 is a deficient number, since it is larger than the sum of its proper divisors (26431).

16983089 is an equidigital number, since it uses as much as digits as its factorization.

16983089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26430.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 16983089 is about 4121.0543553804. The cubic root of 16983089 is about 257.0428701062.

The spelling of 16983089 in words is "sixteen million, nine hundred eighty-three thousand, eighty-nine".

Divisors: 1 659 25771 16983089