Base | Representation |
---|---|
bin | 1110011000011… |
… | …01101110001001 |
3 | 22102000021022120 |
4 | 13030031232021 |
5 | 221341024231 |
6 | 15545441453 |
7 | 2663305143 |
oct | 714155611 |
9 | 272007276 |
10 | 120642441 |
11 | 621104a7 |
12 | 344a0289 |
13 | 1bcc047a |
14 | 12045c93 |
15 | a8d0d96 |
hex | 730db89 |
120642441 has 4 divisors (see below), whose sum is σ = 160856592. Its totient is φ = 80428292.
The previous prime is 120642439. The next prime is 120642443. The reversal of 120642441 is 144246021.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (120642439) and next prime (120642443).
It is a cyclic number.
It is not a de Polignac number, because 120642441 - 21 = 120642439 is a prime.
It is not an unprimeable number, because it can be changed into a prime (120642443) 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, 20107071 + ... + 20107076.
It is an arithmetic number, because the mean of its divisors is an integer number (40214148).
Almost surely, 2120642441 is an apocalyptic number.
It is an amenable number.
120642441 is a deficient number, since it is larger than the sum of its proper divisors (40214151).
120642441 is an equidigital number, since it uses as much as digits as its factorization.
120642441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40214150.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 120642441 is about 10983.7352936057. The cubic root of 120642441 is about 494.1210685796.
Adding to 120642441 its reverse (144246021), we get a palindrome (264888462).
The spelling of 120642441 in words is "one hundred twenty million, six hundred forty-two thousand, four hundred forty-one".
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