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11785493 is a prime number
BaseRepresentation
bin101100111101…
…010100010101
3211011202122202
4230331110111
511004113433
61100334245
7202114016
oct54752425
924152582
1011785493
11671a685
123b44385
132598485
1417cb00d
15107bee8
hexb3d515

11785493 has 2 divisors, whose sum is σ = 11785494. Its totient is φ = 11785492.

The previous prime is 11785463. The next prime is 11785507. The reversal of 11785493 is 39458711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 4 = 3433^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 11785493 - 28 = 11785237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11785463) 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, 5892746 + 5892747.

It is an arithmetic number, because the mean of its divisors is an integer number (5892747).

Almost surely, 211785493 is an apocalyptic number.

It is an amenable number.

11785493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11785493 is an equidigital number, since it uses as much as digits as its factorization.

11785493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 11785493 is about 3433.0005825808. Note that the first 3 decimals coincide. The cubic root of 11785493 is about 227.5704760923.

The spelling of 11785493 in words is "eleven million, seven hundred eighty-five thousand, four hundred ninety-three".