Base | Representation |
---|---|
bin | 11010101100111… |
… | …00000011001011 |
3 | 120121110122211212 |
4 | 31112130003023 |
5 | 424320021432 |
6 | 34120443335 |
7 | 5356564010 |
oct | 1526340313 |
9 | 517418755 |
10 | 223985867 |
11 | 105485996 |
12 | 6301954b |
13 | 37534a21 |
14 | 21a67707 |
15 | 149e62b2 |
hex | d59c0cb |
223985867 has 8 divisors (see below), whose sum is σ = 256416000. Its totient is φ = 191663784.
The previous prime is 223985849. The next prime is 223985869. The reversal of 223985867 is 768589322.
223985867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223985867 - 28 = 223985611 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223985869) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22517 + ... + 30902.
It is an arithmetic number, because the mean of its divisors is an integer number (32052000).
Almost surely, 2223985867 is an apocalyptic number.
223985867 is a deficient number, since it is larger than the sum of its proper divisors (32430133).
223985867 is an equidigital number, since it uses as much as digits as its factorization.
223985867 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54025.
The product of its digits is 1451520, while the sum is 50.
The square root of 223985867 is about 14966.1573892566. The cubic root of 223985867 is about 607.3050214541.
The spelling of 223985867 in words is "two hundred twenty-three million, nine hundred eighty-five thousand, eight hundred sixty-seven".
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