Base | Representation |
---|---|
bin | 110010101111… |
… | …010111010101 |
3 | 221000202211020 |
4 | 302233113111 |
5 | 11401114310 |
6 | 1153031353 |
7 | 221026011 |
oct | 62572725 |
9 | 27022736 |
10 | 13301205 |
11 | 7565435 |
12 | 4555559 |
13 | 29a9348 |
14 | 1aa3541 |
15 | 127b170 |
hex | caf5d5 |
13301205 has 8 divisors (see below), whose sum is σ = 21281952. Its totient is φ = 7093968.
The previous prime is 13301203. The next prime is 13301209. The reversal of 13301205 is 50210331.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13301205 - 21 = 13301203 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 886747 = 13301205 / (1 + 3 + 3 + 0 + 1 + 2 + 0 + 5).
It is a plaindrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13301203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443359 + ... + 443388.
It is an arithmetic number, because the mean of its divisors is an integer number (2660244).
Almost surely, 213301205 is an apocalyptic number.
13301205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13301205 is a deficient number, since it is larger than the sum of its proper divisors (7980747).
13301205 is an equidigital number, since it uses as much as digits as its factorization.
13301205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886755.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 13301205 is about 3647.0817100800. The cubic root of 13301205 is about 236.9356053575.
Adding to 13301205 its reverse (50210331), we get a palindrome (63511536).
The spelling of 13301205 in words is "thirteen million, three hundred one thousand, two hundred five".
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