Base | Representation |
---|---|
bin | 1110010110111… |
… | …00010111001010 |
3 | 22101121222222121 |
4 | 13023130113022 |
5 | 221313042031 |
6 | 15541241454 |
7 | 2661503542 |
oct | 713342712 |
9 | 271558877 |
10 | 120440266 |
11 | 61a92611 |
12 | 3440328a |
13 | 1bc4c43b |
14 | 11dd2322 |
15 | a891011 |
hex | 72dc5ca |
120440266 has 4 divisors (see below), whose sum is σ = 180660402. Its totient is φ = 60220132.
The previous prime is 120440237. The next prime is 120440267. The reversal of 120440266 is 662044021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662044021 = 47 ⋅14086043.
It can be written as a sum of positive squares in only one way, i.e., 97121025 + 23319241 = 9855^2 + 4829^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 120440266.
It is not an unprimeable number, because it can be changed into a prime (120440267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30110065 + ... + 30110068.
Almost surely, 2120440266 is an apocalyptic number.
120440266 is a deficient number, since it is larger than the sum of its proper divisors (60220136).
120440266 is an equidigital number, since it uses as much as digits as its factorization.
120440266 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60220135.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 120440266 is about 10974.5280536340. The cubic root of 120440266 is about 493.8448949477.
Adding to 120440266 its reverse (662044021), we get a palindrome (782484287).
The spelling of 120440266 in words is "one hundred twenty million, four hundred forty thousand, two hundred sixty-six".
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