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15114857 is a prime number
BaseRepresentation
bin111001101010…
…001001101001
31001102220200112
4321222021221
512332133412
61255544105
7242321432
oct71521151
931386615
1015114857
11859401a
12508b035
133192a04
142016489
1514d8722
hexe6a269

15114857 has 2 divisors, whose sum is σ = 15114858. Its totient is φ = 15114856.

The previous prime is 15114821. The next prime is 15114859. The reversal of 15114857 is 75841151.

15114857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 3308761 = 3436^2 + 1819^2 .

It is an emirp because it is prime and its reverse (75841151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15114857 - 28 = 15114601 is a prime.

Together with 15114859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15114859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557428 + 7557429.

It is an arithmetic number, because the mean of its divisors is an integer number (7557429).

Almost surely, 215114857 is an apocalyptic number.

It is an amenable number.

15114857 is a deficient number, since it is larger than the sum of its proper divisors (1).

15114857 is an equidigital number, since it uses as much as digits as its factorization.

15114857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 32.

The square root of 15114857 is about 3887.7830443583. The cubic root of 15114857 is about 247.2490780759.

The spelling of 15114857 in words is "fifteen million, one hundred fourteen thousand, eight hundred fifty-seven".