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13202153 = 66119973
BaseRepresentation
bin110010010111…
…001011101001
3220211201221122
4302113023221
511334432103
61150545025
7220134146
oct62271351
926751848
1013202153
1174a7a78
124508175
132973233
141a793cd
15125bb38
hexc972e9

13202153 has 4 divisors (see below), whose sum is σ = 13222788. Its totient is φ = 13181520.

The previous prime is 13202143. The next prime is 13202173. The reversal of 13202153 is 35120231.

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 7856809 + 5345344 = 2803^2 + 2312^2 .

It is a cyclic number.

It is not a de Polignac number, because 13202153 - 212 = 13198057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13202113) 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 3 ways as a sum of consecutive naturals, for example, 9326 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (3305697).

Almost surely, 213202153 is an apocalyptic number.

It is an amenable number.

13202153 is a deficient number, since it is larger than the sum of its proper divisors (20635).

13202153 is an equidigital number, since it uses as much as digits as its factorization.

13202153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20634.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13202153 is about 3633.4767097093. The cubic root of 13202153 is about 236.3459985180.

Adding to 13202153 its reverse (35120231), we get a palindrome (48322384).

The spelling of 13202153 in words is "thirteen million, two hundred two thousand, one hundred fifty-three".

Divisors: 1 661 19973 13202153