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16031243 is a prime number
BaseRepresentation
bin111101001001…
…111000001011
31010011110201202
4331021320023
513100444433
61331334415
7253156214
oct75117013
933143652
1016031243
11905a568
12545140b
133423b57
1421b440b
151619ee8
hexf49e0b

16031243 has 2 divisors, whose sum is σ = 16031244. Its totient is φ = 16031242.

The previous prime is 16031237. The next prime is 16031251. The reversal of 16031243 is 34213061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16031243 - 216 = 15965707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16031263) 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, 8015621 + 8015622.

It is an arithmetic number, because the mean of its divisors is an integer number (8015622).

Almost surely, 216031243 is an apocalyptic number.

16031243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16031243 is an equidigital number, since it uses as much as digits as its factorization.

16031243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 16031243 is about 4003.9034703649. The cubic root of 16031243 is about 252.1481188100.

The spelling of 16031243 in words is "sixteen million, thirty-one thousand, two hundred forty-three".