Base | Representation |
---|---|
bin | 10001111000100… |
… | …011111110101001 |
3 | 202220120121122111 |
4 | 101320203332221 |
5 | 1103302240410 |
6 | 45434522321 |
7 | 10302204331 |
oct | 2170437651 |
9 | 686517574 |
10 | 300040105 |
11 | 144401632 |
12 | 845963a1 |
13 | 4a213131 |
14 | 2bbc40c1 |
15 | 1b51ab8a |
hex | 11e23fa9 |
300040105 has 4 divisors (see below), whose sum is σ = 360048132. Its totient is φ = 240032080.
The previous prime is 300040099. The next prime is 300040121. The reversal of 300040105 is 501040003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501040003 = 67 ⋅7478209.
It can be written as a sum of positive squares in 2 ways, for example, as 115433536 + 184606569 = 10744^2 + 13587^2 .
It is not a de Polignac number, because 300040105 - 27 = 300039977 is a prime.
It is a super-2 number, since 2×3000401052 = 180048129216822050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30004006 + ... + 30004015.
It is an arithmetic number, because the mean of its divisors is an integer number (90012033).
Almost surely, 2300040105 is an apocalyptic number.
It is an amenable number.
300040105 is a deficient number, since it is larger than the sum of its proper divisors (60008027).
300040105 is an equidigital number, since it uses as much as digits as its factorization.
300040105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60008026.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 300040105 is about 17321.6657686263. The cubic root of 300040105 is about 669.4627794291.
Adding to 300040105 its reverse (501040003), we get a palindrome (801080108).
The spelling of 300040105 in words is "three hundred million, forty thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.622 sec. • engine limits •