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13329205 = 52665841
BaseRepresentation
bin110010110110…
…001100110101
3221002012020021
4302312030311
511403013310
61153405141
7221203441
oct62661465
927065207
1013329205
11758447a
1245697b1
1329b9006
141aad821
1512845da
hexcb6335

13329205 has 4 divisors (see below), whose sum is σ = 15995052. Its totient is φ = 10663360.

The previous prime is 13329191. The next prime is 13329229. The reversal of 13329205 is 50292331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8427409 + 4901796 = 2903^2 + 2214^2 .

It is a de Polignac number, because none of the positive numbers 2k-13329205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13329205.

It is a congruent number.

It is an unprimeable number.

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, 1332916 + ... + 1332925.

It is an arithmetic number, because the mean of its divisors is an integer number (3998763).

Almost surely, 213329205 is an apocalyptic number.

It is an amenable number.

13329205 is a deficient number, since it is larger than the sum of its proper divisors (2665847).

13329205 is an equidigital number, since it uses as much as digits as its factorization.

13329205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665846.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13329205 is about 3650.9183776140. The cubic root of 13329205 is about 237.1017443711.

The spelling of 13329205 in words is "thirteen million, three hundred twenty-nine thousand, two hundred five".

Divisors: 1 5 2665841 13329205