Base | Representation |
---|---|
bin | 1110010101010… |
… | …11100001011111 |
3 | 22101020211120121 |
4 | 13022223201133 |
5 | 221240141343 |
6 | 15533055411 |
7 | 2660011405 |
oct | 712534137 |
9 | 271224517 |
10 | 120240223 |
11 | 61966294 |
12 | 34327567 |
13 | 1bbac37c |
14 | 11d7d475 |
15 | a851aed |
hex | 72ab85f |
120240223 has 4 divisors (see below), whose sum is σ = 120262408. Its totient is φ = 120218040.
The previous prime is 120240209. The next prime is 120240247. The reversal of 120240223 is 322042021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 120240223 - 213 = 120232031 is a prime.
It is a super-2 number, since 2×1202402232 = 28915422454179458, 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 = 120240197 and 120240206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120243223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3040 + ... + 15802.
It is an arithmetic number, because the mean of its divisors is an integer number (30065602).
Almost surely, 2120240223 is an apocalyptic number.
120240223 is a deficient number, since it is larger than the sum of its proper divisors (22185).
120240223 is an equidigital number, since it uses as much as digits as its factorization.
120240223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22184.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 120240223 is about 10965.4102978411. The cubic root of 120240223 is about 493.5713292965.
Adding to 120240223 its reverse (322042021), we get a palindrome (442282244).
The spelling of 120240223 in words is "one hundred twenty million, two hundred forty thousand, two hundred twenty-three".
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