Base | Representation |
---|---|
bin | 110010100001… |
… | …100011101111 |
3 | 220220220020210 |
4 | 302201203233 |
5 | 11342312110 |
6 | 1151513503 |
7 | 220402104 |
oct | 62414357 |
9 | 26826223 |
10 | 13244655 |
11 | 75269a6 |
12 | 4528893 |
13 | 2989698 |
14 | 1a8aaab |
15 | 1269520 |
hex | ca18ef |
13244655 has 16 divisors (see below), whose sum is σ = 21241440. Its totient is φ = 7047168.
The previous prime is 13244641. The next prime is 13244669. The reversal of 13244655 is 55644231.
It is an interprime number because it is at equal distance from previous prime (13244641) and next prime (13244669).
It is not a de Polignac number, because 13244655 - 26 = 13244591 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 8151 + ... + 9639.
It is an arithmetic number, because the mean of its divisors is an integer number (1327590).
Almost surely, 213244655 is an apocalyptic number.
13244655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13244655 is a deficient number, since it is larger than the sum of its proper divisors (7996785).
13244655 is a wasteful number, since it uses less digits than its factorization.
13244655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2090.
The product of its digits is 14400, while the sum is 30.
The square root of 13244655 is about 3639.3206783684. The cubic root of 13244655 is about 236.5993515711.
Adding to 13244655 its reverse (55644231), we get a palindrome (68888886).
The spelling of 13244655 in words is "thirteen million, two hundred forty-four thousand, six hundred fifty-five".
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