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16313849 is a prime number
BaseRepresentation
bin111110001110…
…110111111001
31010200211101122
4332032313321
513134020344
61341355025
7255444146
oct76166771
933624348
1016313849
119232922
125568a75
1334c2686
1422493cd
151673aee
hexf8edf9

16313849 has 2 divisors, whose sum is σ = 16313850. Its totient is φ = 16313848.

The previous prime is 16313827. The next prime is 16313851. The reversal of 16313849 is 94831361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 5555449 = 3280^2 + 2357^2 .

It is an emirp because it is prime and its reverse (94831361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16313849 - 216 = 16248313 is a prime.

It is a super-2 number, since 2×163138492 = 532283338389602, which contains 22 as substring.

Together with 16313851, 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 (16313879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156924 + 8156925.

It is an arithmetic number, because the mean of its divisors is an integer number (8156925).

Almost surely, 216313849 is an apocalyptic number.

It is an amenable number.

16313849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16313849 is an equidigital number, since it uses as much as digits as its factorization.

16313849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 16313849 is about 4039.0406039058. The cubic root of 16313849 is about 253.6211569770.

The spelling of 16313849 in words is "sixteen million, three hundred thirteen thousand, eight hundred forty-nine".