Base | Representation |
---|---|
bin | 11001011011101… |
… | …00100100010010 |
3 | 112212102201020201 |
4 | 30231310210102 |
5 | 414103312021 |
6 | 33100325414 |
7 | 5200226542 |
oct | 1455644422 |
9 | 485381221 |
10 | 213338386 |
11 | aa473318 |
12 | 5b54386a |
13 | 35277541 |
14 | 20495322 |
15 | 13ae1591 |
hex | cb74912 |
213338386 has 32 divisors (see below), whose sum is σ = 343139328. Its totient is φ = 99256080.
The previous prime is 213338371. The next prime is 213338393. The reversal of 213338386 is 683833312.
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 15 ways as a sum of consecutive naturals, for example, 270685 + ... + 271471.
It is an arithmetic number, because the mean of its divisors is an integer number (10723104).
Almost surely, 2213338386 is an apocalyptic number.
213338386 is a deficient number, since it is larger than the sum of its proper divisors (129800942).
213338386 is a wasteful number, since it uses less digits than its factorization.
213338386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 966.
The product of its digits is 62208, while the sum is 37.
The square root of 213338386 is about 14606.1078319996. The cubic root of 213338386 is about 597.5253501380.
The spelling of 213338386 in words is "two hundred thirteen million, three hundred thirty-eight thousand, three hundred eighty-six".
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