Search a number
-
+
15232241 is a prime number
BaseRepresentation
bin111010000110…
…110011110001
31001122212201002
4322012303301
512344412431
61302251345
7243320603
oct72066361
931585632
1015232241
118664232
125126b55
13320427b
142047173
15150d3cb
hexe86cf1

15232241 has 2 divisors, whose sum is σ = 15232242. Its totient is φ = 15232240.

The previous prime is 15232229. The next prime is 15232247. The reversal of 15232241 is 14223251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 3010225 = 3496^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 15232241 - 26 = 15232177 is a prime.

It is not a weakly prime, because it can be changed into another prime (15232247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7616120 + 7616121.

It is an arithmetic number, because the mean of its divisors is an integer number (7616121).

Almost surely, 215232241 is an apocalyptic number.

It is an amenable number.

15232241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15232241 is an equidigital number, since it uses as much as digits as its factorization.

15232241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 20.

The square root of 15232241 is about 3902.8503686408. The cubic root of 15232241 is about 247.8874847306.

Adding to 15232241 its reverse (14223251), we get a palindrome (29455492).

The spelling of 15232241 in words is "fifteen million, two hundred thirty-two thousand, two hundred forty-one".