Base | Representation |
---|---|
bin | 11010100110010… |
… | …11010101101010 |
3 | 120112212020011121 |
4 | 31103023111222 |
5 | 424110142421 |
6 | 34050245454 |
7 | 5346403441 |
oct | 1523132552 |
9 | 515766147 |
10 | 223130986 |
11 | 104a51681 |
12 | 6288688a |
13 | 372c5890 |
14 | 218c3d58 |
15 | 148c7d41 |
hex | d4cb56a |
223130986 has 8 divisors (see below), whose sum is σ = 360442404. Its totient is φ = 102983520.
The previous prime is 223130983. The next prime is 223130989. The reversal of 223130986 is 689031322.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (223130983) and next prime (223130989).
It can be written as a sum of positive squares in 2 ways, for example, as 216531225 + 6599761 = 14715^2 + 2569^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×2231309863 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (223130983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290955 + ... + 4291006.
Almost surely, 2223130986 is an apocalyptic number.
223130986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
223130986 is a deficient number, since it is larger than the sum of its proper divisors (137311418).
223130986 is a wasteful number, since it uses less digits than its factorization.
223130986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8581976.
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 223130986 is about 14937.5696149005. The cubic root of 223130986 is about 606.5314080108.
The spelling of 223130986 in words is "two hundred twenty-three million, one hundred thirty thousand, nine hundred eighty-six".
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