Base | Representation |
---|---|
bin | 11001011111110… |
… | …01011111010110 |
3 | 112220110101002121 |
4 | 30233321133112 |
5 | 414223222323 |
6 | 33120130154 |
7 | 5204655061 |
oct | 1457713726 |
9 | 486411077 |
10 | 213882838 |
11 | aa805384 |
12 | 5b76695a |
13 | 354082c0 |
14 | 205978d8 |
15 | 13b9ca5d |
hex | cbf97d6 |
213882838 has 16 divisors (see below), whose sum is σ = 345749040. Its totient is φ = 98644896.
The previous prime is 213882833. The next prime is 213882839. The reversal of 213882838 is 838288312.
It is a junction number, because it is equal to n+sod(n) for n = 213882794 and 213882803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213882833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59056 + ... + 62572.
It is an arithmetic number, because the mean of its divisors is an integer number (21609315).
Almost surely, 2213882838 is an apocalyptic number.
213882838 is a deficient number, since it is larger than the sum of its proper divisors (131866202).
213882838 is a wasteful number, since it uses less digits than its factorization.
213882838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5871.
The product of its digits is 147456, while the sum is 43.
The square root of 213882838 is about 14624.7337753547. The cubic root of 213882838 is about 598.0332248517.
The spelling of 213882838 in words is "two hundred thirteen million, eight hundred eighty-two thousand, eight hundred thirty-eight".
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