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13200655 = 5132947149
BaseRepresentation
bin110010010110…
…110100001111
3220211122220011
4302112310033
511334410110
61150534051
7220126606
oct62266417
926748804
1013200655
1174a6936
124507327
132972650
141a78a3d
15125b48a
hexc96d0f

13200655 has 32 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 9149952.

The previous prime is 13200641. The next prime is 13200659. The reversal of 13200655 is 55600231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13200655 - 213 = 13192463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200659) 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 31 ways as a sum of consecutive naturals, for example, 88521 + ... + 88669.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 213200655 is an apocalyptic number.

13200655 is a deficient number, since it is larger than the sum of its proper divisors (4943345).

13200655 is a wasteful number, since it uses less digits than its factorization.

13200655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13200655 is about 3633.2705652071. The cubic root of 13200655 is about 236.3370590746.

Adding to 13200655 its reverse (55600231), we get a palindrome (68800886).

The spelling of 13200655 in words is "thirteen million, two hundred thousand, six hundred fifty-five".

Divisors: 1 5 13 29 47 65 145 149 235 377 611 745 1363 1885 1937 3055 4321 6815 7003 9685 17719 21605 35015 56173 88595 91039 203087 280865 455195 1015435 2640131 13200655