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15140339 is a prime number
BaseRepresentation
bin111001110000…
…010111110011
31001111012122022
4321300113303
512333442324
61300302055
7242455634
oct71602763
931435568
1015140339
118601185
1250a192b
1331a14a6
14202188b
1514e105e
hexe705f3

15140339 has 2 divisors, whose sum is σ = 15140340. Its totient is φ = 15140338.

The previous prime is 15140329. The next prime is 15140341. The reversal of 15140339 is 93304151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15140339 - 212 = 15136243 is a prime.

Together with 15140341, 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 (15140329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570169 + 7570170.

It is an arithmetic number, because the mean of its divisors is an integer number (7570170).

Almost surely, 215140339 is an apocalyptic number.

15140339 is a deficient number, since it is larger than the sum of its proper divisors (1).

15140339 is an equidigital number, since it uses as much as digits as its factorization.

15140339 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 15140339 is about 3891.0588533200. The cubic root of 15140339 is about 247.3879450578.

The spelling of 15140339 in words is "fifteen million, one hundred forty thousand, three hundred thirty-nine".