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13483385 = 52696677
BaseRepresentation
bin110011011011…
…110101111001
3221101000201122
4303123311321
511422432020
61200555025
7222415106
oct63336571
927330648
1013483385
11767a2a3
124622a75
132a41246
141b0daad
1512b5125
hexcdbd79

13483385 has 4 divisors (see below), whose sum is σ = 16180068. Its totient is φ = 10786704.

The previous prime is 13483373. The next prime is 13483387. The reversal of 13483385 is 58338431.

13483385 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 an emirpimes, since its reverse is a distinct semiprime: 58338431 = 75177681.

It can be written as a sum of positive squares in 2 ways, for example, as 7974976 + 5508409 = 2824^2 + 2347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13483385 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13483387) 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, 1348334 + ... + 1348343.

It is an arithmetic number, because the mean of its divisors is an integer number (4045017).

Almost surely, 213483385 is an apocalyptic number.

It is an amenable number.

13483385 is a deficient number, since it is larger than the sum of its proper divisors (2696683).

13483385 is an equidigital number, since it uses as much as digits as its factorization.

13483385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696682.

The product of its digits is 34560, while the sum is 35.

The square root of 13483385 is about 3671.9729029501. The cubic root of 13483385 is about 238.0124337359.

The spelling of 13483385 in words is "thirteen million, four hundred eighty-three thousand, three hundred eighty-five".

Divisors: 1 5 2696677 13483385