Search a number
-
+
16423441 is a prime number
BaseRepresentation
bin111110101001…
…101000010001
31010220101201121
4332221220101
513201022231
61344002241
7256411516
oct76515021
933811647
1016423441
1192a81a1
125600381
133530518
14227730d
151696311
hexfa9a11

16423441 has 2 divisors, whose sum is σ = 16423442. Its totient is φ = 16423440.

The previous prime is 16423439. The next prime is 16423447. The reversal of 16423441 is 14432461.

16423441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 6838225 = 3096^2 + 2615^2 .

It is an emirp because it is prime and its reverse (14432461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16423441 - 21 = 16423439 is a prime.

Together with 16423439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16423447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8211720 + 8211721.

It is an arithmetic number, because the mean of its divisors is an integer number (8211721).

Almost surely, 216423441 is an apocalyptic number.

It is an amenable number.

16423441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16423441 is an equidigital number, since it uses as much as digits as its factorization.

16423441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 16423441 is about 4052.5844840052. The cubic root of 16423441 is about 254.1878093075.

The spelling of 16423441 in words is "sixteen million, four hundred twenty-three thousand, four hundred forty-one".