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16984085 = 53499733
BaseRepresentation
bin100000011001…
…0100000010101
31011221212210012
41000302200111
513321442320
61404010005
7264235166
oct100624025
934855705
1016984085
119650438
125830905
133698771
14238176d
1517574c5
hex1032815

16984085 has 8 divisors (see below), whose sum is σ = 20441400. Its totient is φ = 13546944.

The previous prime is 16984049. The next prime is 16984087. The reversal of 16984085 is 58048961.

It can be written as a sum of positive squares in 4 ways, for example, as 6265009 + 10719076 = 2503^2 + 3274^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16984085 - 28 = 16983829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16984087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122 + ... + 6611.

It is an arithmetic number, because the mean of its divisors is an integer number (2555175).

Almost surely, 216984085 is an apocalyptic number.

It is an amenable number.

16984085 is a deficient number, since it is larger than the sum of its proper divisors (3457315).

16984085 is an equidigital number, since it uses as much as digits as its factorization.

16984085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 16984085 is about 4121.1751964701. The cubic root of 16984085 is about 257.0478949027.

The spelling of 16984085 in words is "sixteen million, nine hundred eighty-four thousand, eighty-five".

Divisors: 1 5 349 1745 9733 48665 3396817 16984085