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11380517 is a prime number
BaseRepresentation
bin101011011010…
…011100100101
3210102012010122
4223122130211
510403134032
61043531325
7165506231
oct53323445
923365118
1011380517
116473395
123989b45
132486045
1417235c1
15eec012
hexada725

11380517 has 2 divisors, whose sum is σ = 11380518. Its totient is φ = 11380516.

The previous prime is 11380513. The next prime is 11380543. The reversal of 11380517 is 71508311.

11380517 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11380543) can be obtained adding 11380517 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8561476 + 2819041 = 2926^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 11380517 - 22 = 11380513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11380513) 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, 5690258 + 5690259.

It is an arithmetic number, because the mean of its divisors is an integer number (5690259).

Almost surely, 211380517 is an apocalyptic number.

It is an amenable number.

11380517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11380517 is an equidigital number, since it uses as much as digits as its factorization.

11380517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 11380517 is about 3373.5021861561. The cubic root of 11380517 is about 224.9334255710.

Adding to 11380517 its reverse (71508311), we get a palindrome (82888828).

The spelling of 11380517 in words is "eleven million, three hundred eighty thousand, five hundred seventeen".