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13475243 = 34493907
BaseRepresentation
bin110011011001…
…110110101011
3221100121120002
4303121312223
511422201433
61200453215
7222352265
oct63316653
927317502
1013475243
117674171
12461a20b
132a3a622
141b0ab35
1512b29e8
hexcd9dab

13475243 has 4 divisors (see below), whose sum is σ = 13482600. Its totient is φ = 13467888.

The previous prime is 13475233. The next prime is 13475249. The reversal of 13475243 is 34257431.

It is a happy number.

13475243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13475243 - 212 = 13471147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13475249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (3370650).

Almost surely, 213475243 is an apocalyptic number.

13475243 is a deficient number, since it is larger than the sum of its proper divisors (7357).

13475243 is an equidigital number, since it uses as much as digits as its factorization.

13475243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its digits is 10080, while the sum is 29.

The square root of 13475243 is about 3670.8640672191. The cubic root of 13475243 is about 237.9645158124.

The spelling of 13475243 in words is "thirteen million, four hundred seventy-five thousand, two hundred forty-three".

Divisors: 1 3449 3907 13475243