Base | Representation |
---|---|
bin | 101111100111… |
… | …001011011001 |
3 | 212111010001012 |
4 | 233213023121 |
5 | 11143344431 |
6 | 1123303305 |
7 | 211042313 |
oct | 57471331 |
9 | 25433035 |
10 | 12481241 |
11 | 7055383 |
12 | 421ab35 |
13 | 2780066 |
14 | 192c7b3 |
15 | 116822b |
hex | be72d9 |
12481241 has 4 divisors (see below), whose sum is σ = 12520932. Its totient is φ = 12441552.
The previous prime is 12481237. The next prime is 12481253. The reversal of 12481241 is 14218421.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6911641 + 5569600 = 2629^2 + 2360^2 .
It is a cyclic number.
It is not a de Polignac number, because 12481241 - 22 = 12481237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12481201) 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, 19370 + ... + 20003.
It is an arithmetic number, because the mean of its divisors is an integer number (3130233).
Almost surely, 212481241 is an apocalyptic number.
It is an amenable number.
12481241 is a deficient number, since it is larger than the sum of its proper divisors (39691).
12481241 is an equidigital number, since it uses as much as digits as its factorization.
12481241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39690.
The product of its digits is 512, while the sum is 23.
The square root of 12481241 is about 3532.8799866398. The cubic root of 12481241 is about 231.9632881367.
Adding to 12481241 its reverse (14218421), we get a palindrome (26699662).
The spelling of 12481241 in words is "twelve million, four hundred eighty-one thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •