Base | Representation |
---|---|
bin | 11010101000111… |
… | …10101100010110 |
3 | 120120111120111210 |
4 | 31110132230112 |
5 | 424202104111 |
6 | 34101442250 |
7 | 5352325023 |
oct | 1524365426 |
9 | 516446453 |
10 | 223472406 |
11 | 105165143 |
12 | 62a10386 |
13 | 373b50c1 |
14 | 2197254a |
15 | 149440a6 |
hex | d51eb16 |
223472406 has 16 divisors (see below), whose sum is σ = 447100848. Its totient is φ = 74464800.
The previous prime is 223472399. The next prime is 223472411. The reversal of 223472406 is 604274322.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21196 + ... + 29936.
It is an arithmetic number, because the mean of its divisors is an integer number (27943803).
Almost surely, 2223472406 is an apocalyptic number.
223472406 is an abundant number, since it is smaller than the sum of its proper divisors (223628442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223472406 is a wasteful number, since it uses less digits than its factorization.
223472406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13007.
The product of its (nonzero) digits is 16128, while the sum is 30.
The square root of 223472406 is about 14948.9934778232. The cubic root of 223472406 is about 606.8406081893.
It can be divided in two parts, 22347 and 2406, that added together give a triangular number (24753 = T222).
The spelling of 223472406 in words is "two hundred twenty-three million, four hundred seventy-two thousand, four hundred six".
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