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11348813 = 71621259
BaseRepresentation
bin101011010010…
…101101001101
3210100120122102
4223102231031
510401130223
61043124445
7165314630
oct53225515
923316572
1011348813
116451593
123973725
132474798
141715c17
15ee2928
hexad2b4d

11348813 has 4 divisors (see below), whose sum is σ = 12970080. Its totient is φ = 9727548.

The previous prime is 11348807. The next prime is 11348873. The reversal of 11348813 is 31884311.

11348813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31884311 = 291099459.

It is a cyclic number.

It is not a de Polignac number, because 11348813 - 26 = 11348749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11348803) 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 in 3 ways as a sum of consecutive naturals, for example, 810623 + ... + 810636.

It is an arithmetic number, because the mean of its divisors is an integer number (3242520).

Almost surely, 211348813 is an apocalyptic number.

It is an amenable number.

11348813 is a deficient number, since it is larger than the sum of its proper divisors (1621267).

11348813 is an equidigital number, since it uses as much as digits as its factorization.

11348813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621266.

The product of its digits is 2304, while the sum is 29.

The square root of 11348813 is about 3368.7999346948. The cubic root of 11348813 is about 224.7243571036.

The spelling of 11348813 in words is "eleven million, three hundred forty-eight thousand, eight hundred thirteen".

Divisors: 1 7 1621259 11348813