Base | Representation |
---|---|
bin | 11010100101110… |
… | …11011011101110 |
3 | 120112201220210201 |
4 | 31102323123232 |
5 | 424101101323 |
6 | 34045024114 |
7 | 5346012502 |
oct | 1522733356 |
9 | 515656721 |
10 | 223065838 |
11 | 104a07736 |
12 | 6285503a |
13 | 372a2028 |
14 | 218a8302 |
15 | 148b38ad |
hex | d4bb6ee |
223065838 has 4 divisors (see below), whose sum is σ = 334598760. Its totient is φ = 111532918.
The previous prime is 223065809. The next prime is 223065839. The reversal of 223065838 is 838560322.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 223065797 and 223065806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223065839) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55766458 + ... + 55766461.
It is an arithmetic number, because the mean of its divisors is an integer number (83649690).
Almost surely, 2223065838 is an apocalyptic number.
223065838 is a deficient number, since it is larger than the sum of its proper divisors (111532922).
223065838 is a wasteful number, since it uses less digits than its factorization.
223065838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111532921.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 223065838 is about 14935.3887796736. The cubic root of 223065838 is about 606.4723722023.
The spelling of 223065838 in words is "two hundred twenty-three million, sixty-five thousand, eight hundred thirty-eight".
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