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16694201 = 79211319
BaseRepresentation
bin111111101011…
…101110111001
31011102011010202
4333223232321
513233203301
61353451545
7261620066
oct77535671
934364122
1016694201
119472667
125710bb5
1335c6834
142307c6d
1516eb66b
hexfebbb9

16694201 has 4 divisors (see below), whose sum is σ = 16905600. Its totient is φ = 16482804.

The previous prime is 16694177. The next prime is 16694203. The reversal of 16694201 is 10249661.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10249661 = 91111251.

It is a cyclic number.

It is not a de Polignac number, because 16694201 - 222 = 12499897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16694203) 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, 105581 + ... + 105738.

It is an arithmetic number, because the mean of its divisors is an integer number (4226400).

Almost surely, 216694201 is an apocalyptic number.

It is an amenable number.

16694201 is a deficient number, since it is larger than the sum of its proper divisors (211399).

16694201 is an equidigital number, since it uses as much as digits as its factorization.

16694201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211398.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 16694201 is about 4085.8537663504. The cubic root of 16694201 is about 255.5770655353.

The spelling of 16694201 in words is "sixteen million, six hundred ninety-four thousand, two hundred one".

Divisors: 1 79 211319 16694201