Base | Representation |
---|---|
bin | 11100111001101… |
… | …10100010001110 |
3 | 121220012110020100 |
4 | 32130312202032 |
5 | 444031210210 |
6 | 40020231530 |
7 | 6002513034 |
oct | 1634664216 |
9 | 556173210 |
10 | 242444430 |
11 | 1149430a8 |
12 | 6923b5a6 |
13 | 3b2c8657 |
14 | 242b0554 |
15 | 164405c0 |
hex | e73688e |
242444430 has 48 divisors (see below), whose sum is σ = 631260864. Its totient is φ = 64559040.
The previous prime is 242444417. The next prime is 242444431. The reversal of 242444430 is 34444242.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 242444394 and 242444403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242444431) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80512 + ... + 83468.
It is an arithmetic number, because the mean of its divisors is an integer number (13151268).
Almost surely, 2242444430 is an apocalyptic number.
242444430 is an abundant number, since it is smaller than the sum of its proper divisors (388816434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242444430 is a wasteful number, since it uses less digits than its factorization.
242444430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3881 (or 3878 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 27.
The square root of 242444430 is about 15570.6271549992. The cubic root of 242444430 is about 623.5492152301.
Adding to 242444430 its reverse (34444242), we get a palindrome (276888672).
The spelling of 242444430 in words is "two hundred forty-two million, four hundred forty-four thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •