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15380159 is a prime number
BaseRepresentation
bin111010101010…
…111010111111
31001221101121112
4322222322333
512414131114
61305352235
7244505054
oct72527277
931841545
1015380159
118755383
12519867b
1332566b2
14208502b
15153c13e
hexeaaebf

15380159 has 2 divisors, whose sum is σ = 15380160. Its totient is φ = 15380158.

The previous prime is 15380153. The next prime is 15380161. The reversal of 15380159 is 95108351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15380159 - 24 = 15380143 is a prime.

It is a Sophie Germain prime.

Together with 15380161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15380153) 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, 7690079 + 7690080.

It is an arithmetic number, because the mean of its divisors is an integer number (7690080).

Almost surely, 215380159 is an apocalyptic number.

15380159 is a deficient number, since it is larger than the sum of its proper divisors (1).

15380159 is an equidigital number, since it uses as much as digits as its factorization.

15380159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 15380159 is about 3921.7545818167. The cubic root of 15380159 is about 248.6873006794.

The spelling of 15380159 in words is "fifteen million, three hundred eighty thousand, one hundred fifty-nine".