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13475141 = 37364193
BaseRepresentation
bin110011011001…
…110101000101
3221100121102022
4303121311011
511422201031
61200452525
7222352061
oct63316505
927317368
1013475141
117674089
12461a145
132a3a574
141b0aaa1
1512b297b
hexcd9d45

13475141 has 4 divisors (see below), whose sum is σ = 13839372. Its totient is φ = 13110912.

The previous prime is 13475131. The next prime is 13475149. The reversal of 13475141 is 14157431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14157431 = 113125287.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 1600225 = 3446^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 13475141 - 222 = 9280837 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 13475141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475149) 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, 182060 + ... + 182133.

It is an arithmetic number, because the mean of its divisors is an integer number (3459843).

Almost surely, 213475141 is an apocalyptic number.

It is an amenable number.

13475141 is a deficient number, since it is larger than the sum of its proper divisors (364231).

13475141 is an equidigital number, since it uses as much as digits as its factorization.

13475141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364230.

The product of its digits is 1680, while the sum is 26.

The square root of 13475141 is about 3670.8501740060. The cubic root of 13475141 is about 237.9639153917.

The spelling of 13475141 in words is "thirteen million, four hundred seventy-five thousand, one hundred forty-one".

Divisors: 1 37 364193 13475141