Base | Representation |
---|---|
bin | 110001110100… |
… | …110001110001 |
3 | 220120120122101 |
4 | 301310301301 |
5 | 11320424413 |
6 | 1143540401 |
7 | 216006253 |
oct | 61646161 |
9 | 26516571 |
10 | 13061233 |
11 | 7411109 |
12 | 445a701 |
13 | 2924053 |
14 | 1a3dcd3 |
15 | 122eedd |
hex | c74c71 |
13061233 has 4 divisors (see below), whose sum is σ = 13240228. Its totient is φ = 12882240.
The previous prime is 13061203. The next prime is 13061239. The reversal of 13061233 is 33216031.
13061233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 4133089 = 2988^2 + 2033^2 .
It is a cyclic number.
It is not a de Polignac number, because 13061233 - 25 = 13061201 is a prime.
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 13061233.
It is not an unprimeable number, because it can be changed into a prime (13061239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89388 + ... + 89533.
It is an arithmetic number, because the mean of its divisors is an integer number (3310057).
Almost surely, 213061233 is an apocalyptic number.
It is an amenable number.
13061233 is a deficient number, since it is larger than the sum of its proper divisors (178995).
13061233 is an equidigital number, since it uses as much as digits as its factorization.
13061233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178994.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 13061233 is about 3614.0327890045. The cubic root of 13061233 is about 235.5020682800.
Adding to 13061233 its reverse (33216031), we get a palindrome (46277264).
The spelling of 13061233 in words is "thirteen million, sixty-one thousand, two hundred thirty-three".
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