Base | Representation |
---|---|
bin | 11001101001001… |
… | …01111001111110 |
3 | 112222202220000211 |
4 | 30310211321332 |
5 | 420032111332 |
6 | 33202343034 |
7 | 5221301413 |
oct | 1464457176 |
9 | 488686024 |
10 | 215113342 |
11 | 100475924 |
12 | 6005aa7a |
13 | 35749402 |
14 | 207d810a |
15 | 13d42447 |
hex | cd25e7e |
215113342 has 32 divisors (see below), whose sum is σ = 359251200. Its totient is φ = 96083328.
The previous prime is 215113321. The next prime is 215113373. The reversal of 215113342 is 243311512.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107709 + ... + 109687.
It is an arithmetic number, because the mean of its divisors is an integer number (11226600).
Almost surely, 2215113342 is an apocalyptic number.
215113342 is a deficient number, since it is larger than the sum of its proper divisors (144137858).
215113342 is a wasteful number, since it uses less digits than its factorization.
215113342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2160.
The product of its digits is 720, while the sum is 22.
The square root of 215113342 is about 14666.7427194998. The cubic root of 215113342 is about 599.1778944556.
Adding to 215113342 its reverse (243311512), we get a palindrome (458424854).
The spelling of 215113342 in words is "two hundred fifteen million, one hundred thirteen thousand, three hundred forty-two".
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