Base | Representation |
---|---|
bin | 11010010111000… |
… | …001000011001111 |
3 | 1010211011011220212 |
4 | 122113001003033 |
5 | 1401203204411 |
6 | 111514433035 |
7 | 13646663015 |
oct | 3227010317 |
9 | 1124134825 |
10 | 442241231 |
11 | 2076a7423 |
12 | 10413277b |
13 | 70811303 |
14 | 42a3c8b5 |
15 | 28c5968b |
hex | 1a5c10cf |
442241231 has 8 divisors (see below), whose sum is σ = 448063440. Its totient is φ = 436451328.
The previous prime is 442241161. The next prime is 442241243. The reversal of 442241231 is 132142244.
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 442241231 - 214 = 442224847 is a prime.
It is a super-2 number, since 2×4422412312 = 391154612792790722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 442241197 and 442241206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442241251) 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, 20120 + ... + 35906.
It is an arithmetic number, because the mean of its divisors is an integer number (56007930).
Almost surely, 2442241231 is an apocalyptic number.
442241231 is a deficient number, since it is larger than the sum of its proper divisors (5822209).
442241231 is a wasteful number, since it uses less digits than its factorization.
442241231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16153.
The product of its digits is 1536, while the sum is 23.
The square root of 442241231 is about 21029.5323533359. The cubic root of 442241231 is about 761.8797139763.
Adding to 442241231 its reverse (132142244), we get a palindrome (574383475).
The spelling of 442241231 in words is "four hundred forty-two million, two hundred forty-one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •