Base | Representation |
---|---|
bin | 11100110110011… |
… | …11000001011011 |
3 | 121212101220122010 |
4 | 32123033001123 |
5 | 443424123233 |
6 | 40003201003 |
7 | 5666065650 |
oct | 1633170133 |
9 | 555356563 |
10 | 242020443 |
11 | 1146835a5 |
12 | 69076163 |
13 | 3b1aa682 |
14 | 241ddc27 |
15 | 163a9b63 |
hex | e6cf05b |
242020443 has 8 divisors (see below), whose sum is σ = 368793088. Its totient is φ = 138297384.
The previous prime is 242020409. The next prime is 242020451. The reversal of 242020443 is 344020242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 242020443 - 28 = 242020187 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11524783 = 242020443 / (2 + 4 + 2 + 0 + 2 + 0 + 4 + 4 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (242020403) 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, 5762371 + ... + 5762412.
It is an arithmetic number, because the mean of its divisors is an integer number (46099136).
Almost surely, 2242020443 is an apocalyptic number.
242020443 is a deficient number, since it is larger than the sum of its proper divisors (126772645).
242020443 is a wasteful number, since it uses less digits than its factorization.
242020443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11524793.
The product of its (nonzero) digits is 1536, while the sum is 21.
The square root of 242020443 is about 15557.0062351341. The cubic root of 242020443 is about 623.1855153572.
Adding to 242020443 its reverse (344020242), we get a palindrome (586040685).
The spelling of 242020443 in words is "two hundred forty-two million, twenty thousand, four hundred forty-three".
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