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23280541 is a prime number
BaseRepresentation
bin101100011001…
…1101110011101
31121210202220021
41120303232131
521424434131
62150552141
7401611204
oct130635635
947722807
1023280541
1112161019
127968651
134a9168b
14314023b
15209ce11
hex1633b9d

23280541 has 2 divisors, whose sum is σ = 23280542. Its totient is φ = 23280540.

The previous prime is 23280539. The next prime is 23280553. The reversal of 23280541 is 14508232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14220441 + 9060100 = 3771^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 23280541 - 21 = 23280539 is a prime.

Together with 23280539, 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 (23280571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640270 + 11640271.

It is an arithmetic number, because the mean of its divisors is an integer number (11640271).

Almost surely, 223280541 is an apocalyptic number.

It is an amenable number.

23280541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23280541 is an equidigital number, since it uses as much as digits as its factorization.

23280541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 23280541 is about 4824.9912953289. The cubic root of 23280541 is about 285.5382911725.

Adding to 23280541 its reverse (14508232), we get a palindrome (37788773).

The spelling of 23280541 in words is "twenty-three million, two hundred eighty thousand, five hundred forty-one".