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11240205 = 35749347
BaseRepresentation
bin101010111000…
…001100001101
3210011001122220
4222320030031
510334141310
61040525553
7164353164
oct52701415
923131586
1011240205
116387a29
1239208b9
132437212
1416c83db
15ec0670
hexab830d

11240205 has 8 divisors (see below), whose sum is σ = 17984352. Its totient is φ = 5994768.

The previous prime is 11240183. The next prime is 11240209. The reversal of 11240205 is 50204211.

11240205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11240205 - 212 = 11236109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 749347 = 11240205 / (1 + 1 + 2 + 4 + 0 + 2 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240209) 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 in 7 ways as a sum of consecutive naturals, for example, 374659 + ... + 374688.

It is an arithmetic number, because the mean of its divisors is an integer number (2248044).

Almost surely, 211240205 is an apocalyptic number.

11240205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11240205 is a deficient number, since it is larger than the sum of its proper divisors (6744147).

11240205 is an equidigital number, since it uses as much as digits as its factorization.

11240205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749355.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11240205 is about 3352.6414958954. The cubic root of 11240205 is about 224.0051882833.

Adding to 11240205 its reverse (50204211), we get a palindrome (61444416).

The spelling of 11240205 in words is "eleven million, two hundred forty thousand, two hundred five".

Divisors: 1 3 5 15 749347 2248041 3746735 11240205