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13133205 = 33597283
BaseRepresentation
bin110010000110…
…010110010101
3220201020101000
4302012112111
511330230310
61145253513
7216426141
oct62062625
926636330
1013133205
117460198
124494299
13294aa37
141a5c221
1512464c0
hexc86595

13133205 has 16 divisors (see below), whose sum is σ = 23348160. Its totient is φ = 7004304.

The previous prime is 13133203. The next prime is 13133209. The reversal of 13133205 is 50233131.

It is not a de Polignac number, because 13133205 - 21 = 13133203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133203) 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 15 ways as a sum of consecutive naturals, for example, 48507 + ... + 48776.

It is an arithmetic number, because the mean of its divisors is an integer number (1459260).

Almost surely, 213133205 is an apocalyptic number.

13133205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13133205 is a deficient number, since it is larger than the sum of its proper divisors (10214955).

13133205 is an equidigital number, since it uses as much as digits as its factorization.

13133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97297 (or 97291 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13133205 is about 3623.9764072080. The cubic root of 13133205 is about 235.9338426549.

Adding to 13133205 its reverse (50233131), we get a palindrome (63366336).

The spelling of 13133205 in words is "thirteen million, one hundred thirty-three thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 135 97283 291849 486415 875547 1459245 2626641 4377735 13133205