Base | Representation |
---|---|
bin | 1110010101011… |
… | …00000011110111 |
3 | 22101020221121002 |
4 | 13022230003313 |
5 | 221240224143 |
6 | 15533113515 |
7 | 2660021000 |
oct | 712540367 |
9 | 271227532 |
10 | 120242423 |
11 | 61967a04 |
12 | 3432889b |
13 | 1bbb0382 |
14 | 11d801a7 |
15 | a8525b8 |
hex | 72ac0f7 |
120242423 has 8 divisors (see below), whose sum is σ = 140224800. Its totient is φ = 103064640.
The previous prime is 120242417. The next prime is 120242443. The reversal of 120242423 is 324242021.
It is not a de Polignac number, because 120242423 - 214 = 120226039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120242395 and 120242404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120242443) 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, 174938 + ... + 175623.
It is an arithmetic number, because the mean of its divisors is an integer number (17528100).
Almost surely, 2120242423 is an apocalyptic number.
120242423 is a deficient number, since it is larger than the sum of its proper divisors (19982377).
120242423 is an frugal number, since it uses more digits than its factorization.
120242423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350582 (or 350568 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 120242423 is about 10965.5106128260. The cubic root of 120242423 is about 493.5743395212.
Adding to 120242423 its reverse (324242021), we get a palindrome (444484444).
The spelling of 120242423 in words is "one hundred twenty million, two hundred forty-two thousand, four hundred twenty-three".
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