Base | Representation |
---|---|
bin | 110001100110… |
… | …100101110010 |
3 | 220110121221010 |
4 | 301212211302 |
5 | 11312044442 |
6 | 1142411350 |
7 | 215344656 |
oct | 61464562 |
9 | 26417833 |
10 | 13003122 |
11 | 7381490 |
12 | 4430b56 |
13 | 2903772 |
14 | 1a26a66 |
15 | 121cb9c |
hex | c66972 |
13003122 has 32 divisors (see below), whose sum is σ = 28514304. Its totient is φ = 3920400.
The previous prime is 13003099. The next prime is 13003127. The reversal of 13003122 is 22130031.
Added to its reverse (22130031) it gives a triangular number (35133153 = T8382).
It is a happy number.
13003122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 13003098 and 13003107.
It is not an unprimeable number, because it can be changed into a prime (13003127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17523 + ... + 18249.
It is an arithmetic number, because the mean of its divisors is an integer number (891072).
Almost surely, 213003122 is an apocalyptic number.
13003122 is an abundant number, since it is smaller than the sum of its proper divisors (15511182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13003122 is a wasteful number, since it uses less digits than its factorization.
13003122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 13003122 is about 3605.9841929770. The cubic root of 13003122 is about 235.1522900011.
Adding to 13003122 its reverse (22130031), we get a palindrome (35133153).
It can be divided in two parts, 130031 and 22, that multiplied together give a palindrome (2860682).
The spelling of 13003122 in words is "thirteen million, three thousand, one hundred twenty-two".
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