Search a number
-
+
16889241 = 35629747
BaseRepresentation
bin100000001101…
…1010110011001
31011210001200110
41000123112121
513310423431
61401554533
7263361525
oct100332631
934701613
1016889241
119596156
1257a5a49
133664545
142358d85
151739346
hex101b599

16889241 has 4 divisors (see below), whose sum is σ = 22518992. Its totient is φ = 11259492.

The previous prime is 16889221. The next prime is 16889251. The reversal of 16889241 is 14298861.

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: 14298861 = 34766287.

It is not a de Polignac number, because 16889241 - 27 = 16889113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16889241.

It is not an unprimeable number, because it can be changed into a prime (16889221) 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 3 ways as a sum of consecutive naturals, for example, 2814871 + ... + 2814876.

It is an arithmetic number, because the mean of its divisors is an integer number (5629748).

Almost surely, 216889241 is an apocalyptic number.

It is an amenable number.

16889241 is a deficient number, since it is larger than the sum of its proper divisors (5629751).

16889241 is an equidigital number, since it uses as much as digits as its factorization.

16889241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629750.

The product of its digits is 27648, while the sum is 39.

The square root of 16889241 is about 4109.6521750630. The cubic root of 16889241 is about 256.5685250991.

The spelling of 16889241 in words is "sixteen million, eight hundred eighty-nine thousand, two hundred forty-one".

Divisors: 1 3 5629747 16889241