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16265969 is a prime number
BaseRepresentation
bin111110000011…
…001011110001
31010121101201022
4332003023301
513131002334
61340345225
7255154436
oct76031361
933541638
1016265969
1191aa955
125545215
1334a6945
142235b8d
15166482e
hexf832f1

16265969 has 2 divisors, whose sum is σ = 16265970. Its totient is φ = 16265968.

The previous prime is 16265959. The next prime is 16265981. The reversal of 16265969 is 96956261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 5290000 = 3313^2 + 2300^2 .

It is an emirp because it is prime and its reverse (96956261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16265969 - 212 = 16261873 is a prime.

It is a super-2 number, since 2×162659692 = 529163495017922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16265929) 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, 8132984 + 8132985.

It is an arithmetic number, because the mean of its divisors is an integer number (8132985).

Almost surely, 216265969 is an apocalyptic number.

It is an amenable number.

16265969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16265969 is an equidigital number, since it uses as much as digits as its factorization.

16265969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 16265969 is about 4033.1090984500. The cubic root of 16265969 is about 253.3727937531.

The spelling of 16265969 in words is "sixteen million, two hundred sixty-five thousand, nine hundred sixty-nine".