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23809141 is a prime number
BaseRepresentation
bin101101011010…
…0110001110101
31122210122000001
41122310301311
522043343031
62210151301
7406242256
oct132646165
948718001
1023809141
1112492184
127b82531
134c18165
14323ab2d
152154861
hex16b4c75

23809141 has 2 divisors, whose sum is σ = 23809142. Its totient is φ = 23809140.

The previous prime is 23809139. The next prime is 23809183. The reversal of 23809141 is 14190832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16573041 + 7236100 = 4071^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23809141 - 21 = 23809139 is a prime.

Together with 23809139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23809441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11904570 + 11904571.

It is an arithmetic number, because the mean of its divisors is an integer number (11904571).

Almost surely, 223809141 is an apocalyptic number.

It is an amenable number.

23809141 is a deficient number, since it is larger than the sum of its proper divisors (1).

23809141 is an equidigital number, since it uses as much as digits as its factorization.

23809141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 23809141 is about 4879.4611382816. The cubic root of 23809141 is about 287.6832495254.

Adding to 23809141 its reverse (14190832), we get a palindrome (37999973).

The spelling of 23809141 in words is "twenty-three million, eight hundred nine thousand, one hundred forty-one".