Base | Representation |
---|---|
bin | 11010010000001… |
… | …11110110110111 |
3 | 120100102000002002 |
4 | 31020013312313 |
5 | 422334430033 |
6 | 33504205515 |
7 | 5312644064 |
oct | 1510076667 |
9 | 510360062 |
10 | 220233143 |
11 | 103352469 |
12 | 6190989b |
13 | 3681c890 |
14 | 2136bc6b |
15 | 145043e8 |
hex | d207db7 |
220233143 has 8 divisors (see below), whose sum is σ = 242690448. Its totient is φ = 198563904.
The previous prime is 220233133. The next prime is 220233197. The reversal of 220233143 is 341332022.
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 220233143 - 24 = 220233127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220233103) 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, 196430 + ... + 197547.
It is an arithmetic number, because the mean of its divisors is an integer number (30336306).
Almost surely, 2220233143 is an apocalyptic number.
220233143 is a deficient number, since it is larger than the sum of its proper divisors (22457305).
220233143 is a wasteful number, since it uses less digits than its factorization.
220233143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394033.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 220233143 is about 14840.2541420287. The cubic root of 220233143 is about 603.8942469046.
Adding to 220233143 its reverse (341332022), we get a palindrome (561565165).
The spelling of 220233143 in words is "two hundred twenty million, two hundred thirty-three thousand, one hundred forty-three".
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