Base | Representation |
---|---|
bin | 110011001110… |
… | …110100010001 |
3 | 221021022112122 |
4 | 303032310101 |
5 | 11414230113 |
6 | 1155504025 |
7 | 222103421 |
oct | 63166421 |
9 | 27238478 |
10 | 13430033 |
11 | 7643201 |
12 | 45b8015 |
13 | 2a22b86 |
14 | 1ad8481 |
15 | 12a4408 |
hex | cced11 |
13430033 has 4 divisors (see below), whose sum is σ = 13444068. Its totient is φ = 13416000.
The previous prime is 13430009. The next prime is 13430063. The reversal of 13430033 is 33003431.
13430033 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, and also an emirpimes, since its reverse is a distinct semiprime: 33003431 = 2003 ⋅16477.
It can be written as a sum of positive squares in 2 ways, for example, as 6210064 + 7219969 = 2492^2 + 2687^2 .
It is a cyclic number.
It is not a de Polignac number, because 13430033 - 28 = 13429777 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13429993 and 13430020.
It is not an unprimeable number, because it can be changed into a prime (13430003) 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, 5468 + ... + 7533.
It is an arithmetic number, because the mean of its divisors is an integer number (3361017).
Almost surely, 213430033 is an apocalyptic number.
It is an amenable number.
13430033 is a deficient number, since it is larger than the sum of its proper divisors (14035).
13430033 is a wasteful number, since it uses less digits than its factorization.
13430033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14034.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 13430033 is about 3664.7009427783. The cubic root of 13430033 is about 237.6980906890.
Adding to 13430033 its reverse (33003431), we get a palindrome (46433464).
The spelling of 13430033 in words is "thirteen million, four hundred thirty thousand, thirty-three".
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