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15040169 is a prime number
BaseRepresentation
bin111001010111…
…111010101001
31001022010020022
4321113322221
512322241134
61254210225
7241560614
oct71277251
931263208
1015040169
1185429a1
125053975
133167a11
141dd717b
1514c152e
hexe57ea9

15040169 has 2 divisors, whose sum is σ = 15040170. Its totient is φ = 15040168.

The previous prime is 15040159. The next prime is 15040211. The reversal of 15040169 is 96104051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 2706025 = 3512^2 + 1645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15040169 is a prime.

It is a super-2 number, since 2×150401692 = 452413367097122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15040159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520084 + 7520085.

It is an arithmetic number, because the mean of its divisors is an integer number (7520085).

Almost surely, 215040169 is an apocalyptic number.

It is an amenable number.

15040169 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040169 is an equidigital number, since it uses as much as digits as its factorization.

15040169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 15040169 is about 3878.1656746457. The cubic root of 15040169 is about 246.8411562643.

The spelling of 15040169 in words is "fifteen million, forty thousand, one hundred sixty-nine".