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13243053 = 329152219
BaseRepresentation
bin110010100001…
…001010101101
3220220211001110
4302201022231
511342234203
61151502233
7220364325
oct62411255
926824043
1013243053
11752577a
124527979
132988a35
141a8a285
151268d03
hexca12ad

13243053 has 8 divisors (see below), whose sum is σ = 18266400. Its totient is φ = 8524208.

The previous prime is 13243033. The next prime is 13243063. The reversal of 13243053 is 35034231.

13243053 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 a cyclic number.

It is not a de Polignac number, because 13243053 - 210 = 13242029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243033) 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, 76023 + ... + 76196.

It is an arithmetic number, because the mean of its divisors is an integer number (2283300).

Almost surely, 213243053 is an apocalyptic number.

It is an amenable number.

13243053 is a deficient number, since it is larger than the sum of its proper divisors (5023347).

13243053 is a wasteful number, since it uses less digits than its factorization.

13243053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152251.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13243053 is about 3639.1005756917. The cubic root of 13243053 is about 236.5898119381.

Adding to 13243053 its reverse (35034231), we get a palindrome (48277284).

The spelling of 13243053 in words is "thirteen million, two hundred forty-three thousand, fifty-three".

Divisors: 1 3 29 87 152219 456657 4414351 13243053