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15130223 is a prime number
BaseRepresentation
bin111001101101…
…111001101111
31001110200202122
4321231321233
512333131343
61300143155
7242414303
oct71557157
931420678
1015130223
1185a4619
125097abb
1331999c4
14201bd03
1514dd068
hexe6de6f

15130223 has 2 divisors, whose sum is σ = 15130224. Its totient is φ = 15130222.

The previous prime is 15130211. The next prime is 15130229. The reversal of 15130223 is 32203151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15130223 - 24 = 15130207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15130229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7565111 + 7565112.

It is an arithmetic number, because the mean of its divisors is an integer number (7565112).

Almost surely, 215130223 is an apocalyptic number.

15130223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15130223 is an equidigital number, since it uses as much as digits as its factorization.

15130223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 15130223 is about 3889.7587328779. The cubic root of 15130223 is about 247.3328354590.

Adding to 15130223 its reverse (32203151), we get a palindrome (47333374).

The spelling of 15130223 in words is "fifteen million, one hundred thirty thousand, two hundred twenty-three".