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11640341 = 106910889
BaseRepresentation
bin101100011001…
…111000010101
3210220101112202
4230121320111
510434442331
61053254245
7200640566
oct54317025
923811482
1011640341
116630619
123a94385
13254739b
14179016d
15104decb
hexb19e15

11640341 has 4 divisors (see below), whose sum is σ = 11652300. Its totient is φ = 11628384.

The previous prime is 11640329. The next prime is 11640347. The reversal of 11640341 is 14304611.

11640341 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 14304611 = 18179031.

It can be written as a sum of positive squares in 2 ways, for example, as 2337841 + 9302500 = 1529^2 + 3050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11640341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376 + ... + 6513.

It is an arithmetic number, because the mean of its divisors is an integer number (2913075).

Almost surely, 211640341 is an apocalyptic number.

It is an amenable number.

11640341 is a deficient number, since it is larger than the sum of its proper divisors (11959).

11640341 is a wasteful number, since it uses less digits than its factorization.

11640341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11958.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11640341 is about 3411.7943959154. The cubic root of 11640341 is about 226.6323494279.

Adding to 11640341 its reverse (14304611), we get a palindrome (25944952).

The spelling of 11640341 in words is "eleven million, six hundred forty thousand, three hundred forty-one".

Divisors: 1 1069 10889 11640341