Base | Representation |
---|---|
bin | 1110010101011… |
… | …00100011011010 |
3 | 22101021001100212 |
4 | 13022230203122 |
5 | 221240310232 |
6 | 15533131122 |
7 | 2660026613 |
oct | 712544332 |
9 | 271231325 |
10 | 120244442 |
11 | 6196947a |
12 | 34329aa2 |
13 | 1bbb1276 |
14 | 11d80c0a |
15 | a852eb2 |
hex | 72ac8da |
120244442 has 4 divisors (see below), whose sum is σ = 180366666. Its totient is φ = 60122220.
The previous prime is 120244441. The next prime is 120244457. The reversal of 120244442 is 244442021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244442021 = 11311 ⋅21611.
It can be written as a sum of positive squares in only one way, i.e., 117961321 + 2283121 = 10861^2 + 1511^2 .
It is not an unprimeable number, because it can be changed into a prime (120244441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30061109 + ... + 30061112.
Almost surely, 2120244442 is an apocalyptic number.
120244442 is a deficient number, since it is larger than the sum of its proper divisors (60122224).
120244442 is an equidigital number, since it uses as much as digits as its factorization.
120244442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60122223.
The product of its (nonzero) digits is 2048, while the sum is 23.
The square root of 120244442 is about 10965.6026738160. The cubic root of 120244442 is about 493.5771020543.
Adding to 120244442 its reverse (244442021), we get a palindrome (364686463).
The spelling of 120244442 in words is "one hundred twenty million, two hundred forty-four thousand, four hundred forty-two".
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