Base | Representation |
---|---|
bin | 110010110111… |
… | …111010110101 |
3 | 221002112220000 |
4 | 302313322311 |
5 | 11403224440 |
6 | 1153501513 |
7 | 221233116 |
oct | 62677265 |
9 | 27075800 |
10 | 13336245 |
11 | 758979a |
12 | 4571899 |
13 | 29bc290 |
14 | 1ab220d |
15 | 1286730 |
hex | cb7eb5 |
13336245 has 80 divisors (see below), whose sum is σ = 27442800. Its totient is φ = 6137856.
The previous prime is 13336241. The next prime is 13336249. The reversal of 13336245 is 54263331.
It is a happy number.
13336245 is a `hidden beast` number, since 1 + 3 + 33 + 624 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (13336241) and next prime (13336249).
It can be written as a sum of positive squares in 8 ways, for example, as 1454436 + 11881809 = 1206^2 + 3447^2 .
It is not a de Polignac number, because 13336245 - 22 = 13336241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13336241) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 89431 + ... + 89579.
It is an arithmetic number, because the mean of its divisors is an integer number (343035).
Almost surely, 213336245 is an apocalyptic number.
13336245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13336245 is an abundant number, since it is smaller than the sum of its proper divisors (14106555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13336245 is a wasteful number, since it uses less digits than its factorization.
13336245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196 (or 187 counting only the distinct ones).
The product of its digits is 6480, while the sum is 27.
The square root of 13336245 is about 3651.8823913155. The cubic root of 13336245 is about 237.1434798558.
Adding to 13336245 its reverse (54263331), we get a palindrome (67599576).
The spelling of 13336245 in words is "thirteen million, three hundred thirty-six thousand, two hundred forty-five".
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