Base | Representation |
---|---|
bin | 11001011011101… |
… | …10010001001011 |
3 | 112212110001210211 |
4 | 30231312101023 |
5 | 414104022410 |
6 | 33100421551 |
7 | 5200256056 |
oct | 1455662113 |
9 | 485401724 |
10 | 213345355 |
11 | aa478583 |
12 | 5b5478b7 |
13 | 3527a772 |
14 | 20497a9d |
15 | 13ae368a |
hex | cb7644b |
213345355 has 16 divisors (see below), whose sum is σ = 267543360. Its totient is φ = 163012608.
The previous prime is 213345329. The next prime is 213345397. The reversal of 213345355 is 553543312.
It is a cyclic number.
It is not a de Polignac number, because 213345355 - 27 = 213345227 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131791 + ... + 133399.
It is an arithmetic number, because the mean of its divisors is an integer number (16721460).
Almost surely, 2213345355 is an apocalyptic number.
213345355 is a deficient number, since it is larger than the sum of its proper divisors (54198005).
213345355 is a wasteful number, since it uses less digits than its factorization.
213345355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2790.
The product of its digits is 27000, while the sum is 31.
The square root of 213345355 is about 14606.3463946327. The cubic root of 213345355 is about 597.5318564039.
Adding to 213345355 its reverse (553543312), we get a palindrome (766888667).
The spelling of 213345355 in words is "two hundred thirteen million, three hundred forty-five thousand, three hundred fifty-five".
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