Base | Representation |
---|---|
bin | 110010100001… |
… | …001010101111 |
3 | 220220211001112 |
4 | 302201022233 |
5 | 11342234210 |
6 | 1151502235 |
7 | 220364330 |
oct | 62411257 |
9 | 26824045 |
10 | 13243055 |
11 | 7525781 |
12 | 452797b |
13 | 2988a37 |
14 | 1a8a287 |
15 | 1268d05 |
hex | ca12af |
13243055 has 16 divisors (see below), whose sum is σ = 18952704. Its totient is φ = 8685600.
The previous prime is 13243033. The next prime is 13243063. The reversal of 13243055 is 55034231.
13243055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13243055 - 28 = 13242799 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
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 13243055.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7421 + ... + 9030.
It is an arithmetic number, because the mean of its divisors is an integer number (1184544).
Almost surely, 213243055 is an apocalyptic number.
13243055 is a deficient number, since it is larger than the sum of its proper divisors (5709649).
13243055 is a wasteful number, since it uses less digits than its factorization.
13243055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16486.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 13243055 is about 3639.1008504849. The cubic root of 13243055 is about 236.5898238482.
Adding to 13243055 its reverse (55034231), we get a palindrome (68277286).
The spelling of 13243055 in words is "thirteen million, two hundred forty-three thousand, fifty-five".
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