Base | Representation |
---|---|
bin | 101101111110… |
… | …1000010100001 |
3 | 1200100200000021 |
4 | 1123331002201 |
5 | 22132330441 |
6 | 2220353441 |
7 | 411614215 |
oct | 133750241 |
9 | 50320007 |
10 | 24105121 |
11 | 12674597 |
12 | 80a5881 |
13 | 4cbcab1 |
14 | 32b6945 |
15 | 21b23d1 |
hex | 16fd0a1 |
24105121 has 4 divisors (see below), whose sum is σ = 24230212. Its totient is φ = 23980032.
The previous prime is 24105113. The next prime is 24105131. The reversal of 24105121 is 12150142.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12150142 = 2 ⋅6075071.
It can be written as a sum of positive squares in 2 ways, for example, as 12680721 + 11424400 = 3561^2 + 3380^2 .
It is a cyclic number.
It is not a de Polignac number, because 24105121 - 23 = 24105113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 24105095 and 24105104.
It is not an unprimeable number, because it can be changed into a prime (24105101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62256 + ... + 62641.
It is an arithmetic number, because the mean of its divisors is an integer number (6057553).
Almost surely, 224105121 is an apocalyptic number.
It is an amenable number.
24105121 is a deficient number, since it is larger than the sum of its proper divisors (125091).
24105121 is a wasteful number, since it uses less digits than its factorization.
24105121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125090.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 24105121 is about 4909.6966301392. The cubic root of 24105121 is about 288.8704415626.
Adding to 24105121 its reverse (12150142), we get a palindrome (36255263).
The spelling of 24105121 in words is "twenty-four million, one hundred five thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •