Base | Representation |
---|---|
bin | 11001010100110… |
… | …10100011100101 |
3 | 112210202100022122 |
4 | 30222122203211 |
5 | 413341223123 |
6 | 33025235325 |
7 | 5156520245 |
oct | 1452324345 |
9 | 483670278 |
10 | 212445413 |
11 | a9a13424 |
12 | 5b192b45 |
13 | 35023c5b |
14 | 20301b25 |
15 | 139b6bc8 |
hex | ca9a8e5 |
212445413 has 8 divisors (see below), whose sum is σ = 230174208. Its totient is φ = 195297984.
The previous prime is 212445383. The next prime is 212445421. The reversal of 212445413 is 314544212.
212445413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212445413 - 26 = 212445349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212445433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144581 + ... + 146042.
It is an arithmetic number, because the mean of its divisors is an integer number (28771776).
Almost surely, 2212445413 is an apocalyptic number.
It is an amenable number.
212445413 is a deficient number, since it is larger than the sum of its proper divisors (17728795).
212445413 is a wasteful number, since it uses less digits than its factorization.
212445413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290683.
The product of its digits is 3840, while the sum is 26.
The square root of 212445413 is about 14575.5072982041. The cubic root of 212445413 is about 596.6904945941.
Adding to 212445413 its reverse (314544212), we get a palindrome (526989625).
The spelling of 212445413 in words is "two hundred twelve million, four hundred forty-five thousand, four hundred thirteen".
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