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16769897 is a prime number
BaseRepresentation
bin111111111110…
…001101101001
31011112222222022
4333332031221
513243114042
61355234225
7262353554
oct77761551
934488868
1016769897
119514521
125748975
133622121
14232769b
151713cd2
hexffe369

16769897 has 2 divisors, whose sum is σ = 16769898. Its totient is φ = 16769896.

The previous prime is 16769887. The next prime is 16769903. The reversal of 16769897 is 79896761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 737881 = 4004^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 16769897 - 24 = 16769881 is a prime.

It is not a weakly prime, because it can be changed into another prime (16769807) 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, 8384948 + 8384949.

It is an arithmetic number, because the mean of its divisors is an integer number (8384949).

Almost surely, 216769897 is an apocalyptic number.

It is an amenable number.

16769897 is a deficient number, since it is larger than the sum of its proper divisors (1).

16769897 is an equidigital number, since it uses as much as digits as its factorization.

16769897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 53.

The square root of 16769897 is about 4095.1064699224. The cubic root of 16769897 is about 255.9627682263.

The spelling of 16769897 in words is "sixteen million, seven hundred sixty-nine thousand, eight hundred ninety-seven".