Base | Representation |
---|---|
bin | 1110101010101… |
… | …11100111000001 |
3 | 22120112012020001 |
4 | 13111113213001 |
5 | 222444322431 |
6 | 20113120001 |
7 | 3022561510 |
oct | 725274701 |
9 | 276465201 |
10 | 123042241 |
11 | 634aa503 |
12 | 35259001 |
13 | 1c65087a |
14 | 124ac677 |
15 | ac06e61 |
hex | 75579c1 |
123042241 has 8 divisors (see below), whose sum is σ = 140724864. Its totient is φ = 105385920.
The previous prime is 123042239. The next prime is 123042251. The reversal of 123042241 is 142240321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123042241 - 21 = 123042239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123042211) 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, 4761 + ... + 16393.
It is an arithmetic number, because the mean of its divisors is an integer number (17590608).
Almost surely, 2123042241 is an apocalyptic number.
It is an amenable number.
123042241 is a deficient number, since it is larger than the sum of its proper divisors (17682623).
123042241 is a wasteful number, since it uses less digits than its factorization.
123042241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13151.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 123042241 is about 11092.4407142883. The cubic root of 123042241 is about 497.3759070310.
Adding to 123042241 its reverse (142240321), we get a palindrome (265282562).
The spelling of 123042241 in words is "one hundred twenty-three million, forty-two thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •