Base | Representation |
---|---|
bin | 11010010001110… |
… | …00011101011111 |
3 | 120100210010011102 |
4 | 31020320131133 |
5 | 422412312343 |
6 | 33512343315 |
7 | 5314433354 |
oct | 1510703537 |
9 | 510703142 |
10 | 220432223 |
11 | 103478aa0 |
12 | 619a4b3b |
13 | 3688c38b |
14 | 213c062b |
15 | 145433b8 |
hex | d23875f |
220432223 has 8 divisors (see below), whose sum is σ = 244414416. Its totient is φ = 197107200.
The previous prime is 220432189. The next prime is 220432231. The reversal of 220432223 is 322234022.
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 220432223 - 26 = 220432159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 220432195 and 220432204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220432283) 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, 163586 + ... + 164927.
It is an arithmetic number, because the mean of its divisors is an integer number (30551802).
Almost surely, 2220432223 is an apocalyptic number.
220432223 is a deficient number, since it is larger than the sum of its proper divisors (23982193).
220432223 is a wasteful number, since it uses less digits than its factorization.
220432223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328585.
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 220432223 is about 14846.9600592175. The cubic root of 220432223 is about 604.0761557338.
Adding to 220432223 its reverse (322234022), we get a palindrome (542666245).
The spelling of 220432223 in words is "two hundred twenty million, four hundred thirty-two thousand, two hundred twenty-three".
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