Base | Representation |
---|---|
bin | 110011001110… |
… | …111100010001 |
3 | 221021100020121 |
4 | 303032330101 |
5 | 11414234140 |
6 | 1155510241 |
7 | 222105052 |
oct | 63167421 |
9 | 27240217 |
10 | 13430545 |
11 | 7643627 |
12 | 45b8381 |
13 | 2a2318b |
14 | 1ad8729 |
15 | 12a464a |
hex | ccef11 |
13430545 has 8 divisors (see below), whose sum is σ = 16298280. Its totient is φ = 10623360.
The previous prime is 13430539. The next prime is 13430581. The reversal of 13430545 is 54503431.
13430545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 239121 + 13191424 = 489^2 + 3632^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13430545 - 221 = 11333393 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 14646 + ... + 15535.
It is an arithmetic number, because the mean of its divisors is an integer number (2037285).
Almost surely, 213430545 is an apocalyptic number.
It is an amenable number.
13430545 is a deficient number, since it is larger than the sum of its proper divisors (2867735).
13430545 is an equidigital number, since it uses as much as digits as its factorization.
13430545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30275.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 13430545 is about 3664.7707977444. The cubic root of 13430545 is about 237.7011112792.
Adding to 13430545 its reverse (54503431), we get a palindrome (67933976).
The spelling of 13430545 in words is "thirteen million, four hundred thirty thousand, five hundred forty-five".
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