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15000017 is a prime number
BaseRepresentation
bin111001001110…
…000111010001
31001020002011012
4321032013101
512320000032
61253300305
7241332554
oct71160721
931202135
1015000017
11851580a
125034695
133152666
141dc669b
1514b46b2
hexe4e1d1

15000017 has 2 divisors, whose sum is σ = 15000018. Its totient is φ = 15000016.

The previous prime is 14999981. The next prime is 15000031. The reversal of 15000017 is 71000051.

15000017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (15000031) can be obtained adding 15000017 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14984641 + 15376 = 3871^2 + 124^2 .

It is an emirp because it is prime and its reverse (71000051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15000017 - 26 = 14999953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14999965 and 15000010.

It is not a weakly prime, because it can be changed into another prime (15000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500008 + 7500009.

It is an arithmetic number, because the mean of its divisors is an integer number (7500009).

Almost surely, 215000017 is an apocalyptic number.

It is an amenable number.

15000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000017 is an equidigital number, since it uses as much as digits as its factorization.

15000017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 15000017 is about 3872.9855408974. The cubic root of 15000017 is about 246.6213006010.

Adding to 15000017 its reverse (71000051), we get a palindrome (86000068).

The spelling of 15000017 in words is "fifteen million, seventeen", and thus it is an aban number and an uban number.