Base | Representation |
---|---|
bin | 101110101100… |
… | …111101001001 |
3 | 212000222220121 |
4 | 232230331021 |
5 | 11113232021 |
6 | 1114223241 |
7 | 206030116 |
oct | 56547511 |
9 | 25028817 |
10 | 12242761 |
11 | 6a02193 |
12 | 4124b21 |
13 | 26c864b |
14 | 18a990d |
15 | 111c741 |
hex | bacf49 |
12242761 has 8 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 11988240.
The previous prime is 12242729. The next prime is 12242773. The reversal of 12242761 is 16724221.
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 12242761 - 25 = 12242729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12242161) 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, 25320 + ... + 25798.
It is an arithmetic number, because the mean of its divisors is an integer number (1562400).
Almost surely, 212242761 is an apocalyptic number.
It is an amenable number.
12242761 is a deficient number, since it is larger than the sum of its proper divisors (256439).
12242761 is an equidigital number, since it uses as much as digits as its factorization.
12242761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 959.
The product of its digits is 1344, while the sum is 25.
The square root of 12242761 is about 3498.9657043189. The cubic root of 12242761 is about 230.4763975626.
Adding to 12242761 its reverse (16724221), we get a palindrome (28966982).
The spelling of 12242761 in words is "twelve million, two hundred forty-two thousand, seven hundred sixty-one".
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