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15144169 is a prime number
BaseRepresentation
bin111001110001…
…010011101001
31001111101220011
4321301103221
512334103134
61300331521
7242503045
oct71612351
931441804
1015144169
118604047
1250a3ba1
1331a3161
142023025
1514e2264
hexe714e9

15144169 has 2 divisors, whose sum is σ = 15144170. Its totient is φ = 15144168.

The previous prime is 15144163. The next prime is 15144191. The reversal of 15144169 is 96144151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 7371225 = 2788^2 + 2715^2 .

It is an emirp because it is prime and its reverse (96144151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15144169 - 29 = 15143657 is a prime.

It is a super-2 number, since 2×151441692 = 458691709401122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15144169.

It is not a weakly prime, because it can be changed into another prime (15144163) 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, 7572084 + 7572085.

It is an arithmetic number, because the mean of its divisors is an integer number (7572085).

Almost surely, 215144169 is an apocalyptic number.

It is an amenable number.

15144169 is a deficient number, since it is larger than the sum of its proper divisors (1).

15144169 is an equidigital number, since it uses as much as digits as its factorization.

15144169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 15144169 is about 3891.5509761533. The cubic root of 15144169 is about 247.4088035944.

The spelling of 15144169 in words is "fifteen million, one hundred forty-four thousand, one hundred sixty-nine".