Base | Representation |
---|---|
bin | 1000011011001011100001 |
3 | 11011012110121 |
4 | 20123023201 |
5 | 1031132411 |
6 | 115200241 |
7 | 24525502 |
oct | 10331341 |
9 | 4135417 |
10 | 2208481 |
11 | 12792a0 |
12 | 8a6081 |
13 | 5c42c2 |
14 | 416ba9 |
15 | 2d9571 |
hex | 21b2e1 |
2208481 has 4 divisors (see below), whose sum is σ = 2409264. Its totient is φ = 2007700.
The previous prime is 2208473. The next prime is 2208491. The reversal of 2208481 is 1848022.
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 a cyclic number.
It is not a de Polignac number, because 2208481 - 23 = 2208473 is a prime.
It is a super-2 number, since 2×22084812 = 9754776654722, which contains 22 as substring.
2208481 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2208421) 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, 100375 + ... + 100396.
It is an arithmetic number, because the mean of its divisors is an integer number (602316).
22208481 is an apocalyptic number.
It is an amenable number.
2208481 is a deficient number, since it is larger than the sum of its proper divisors (200783).
2208481 is a wasteful number, since it uses less digits than its factorization.
2208481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200782.
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 2208481 is about 1486.0958919262. The cubic root of 2208481 is about 130.2260563879.
The spelling of 2208481 in words is "two million, two hundred eight thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •