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14785669 is a prime number
BaseRepresentation
bin111000011001…
…110010000101
31000211012010101
4320121302011
512241120134
61244524101
7236450623
oct70316205
930735111
1014785669
118389768
124b50631
1330a8c22
141d6c513
151470e14
hexe19c85

14785669 has 2 divisors, whose sum is σ = 14785670. Its totient is φ = 14785668.

The previous prime is 14785663. The next prime is 14785691. The reversal of 14785669 is 96658741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8485569 + 6300100 = 2913^2 + 2510^2 .

It is an emirp because it is prime and its reverse (96658741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14785669 - 25 = 14785637 is a prime.

It is a super-2 number, since 2×147856692 = 437232015555122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14785663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7392834 + 7392835.

It is an arithmetic number, because the mean of its divisors is an integer number (7392835).

Almost surely, 214785669 is an apocalyptic number.

It is an amenable number.

14785669 is a deficient number, since it is larger than the sum of its proper divisors (1).

14785669 is an equidigital number, since it uses as much as digits as its factorization.

14785669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 14785669 is about 3845.2137781923. The cubic root of 14785669 is about 245.4409330232.

The spelling of 14785669 in words is "fourteen million, seven hundred eighty-five thousand, six hundred sixty-nine".