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15340139 is a prime number
BaseRepresentation
bin111010100001…
…001001101011
31001212100201022
4322201021223
512411341024
61304443055
7244250303
oct72411153
931770638
1015340139
118728301
12517948b
133241409
142074603
15153035e
hexea126b

15340139 has 2 divisors, whose sum is σ = 15340140. Its totient is φ = 15340138.

The previous prime is 15340123. The next prime is 15340151. The reversal of 15340139 is 93104351.

15340139 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 is a cyclic number.

It is not a de Polignac number, because 15340139 - 24 = 15340123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15340639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7670069 + 7670070.

It is an arithmetic number, because the mean of its divisors is an integer number (7670070).

Almost surely, 215340139 is an apocalyptic number.

15340139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15340139 is an equidigital number, since it uses as much as digits as its factorization.

15340139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 15340139 is about 3916.6489503145. The cubic root of 15340139 is about 248.4714140825.

The spelling of 15340139 in words is "fifteen million, three hundred forty thousand, one hundred thirty-nine".