Base | Representation |
---|---|
bin | 1101110000011… |
… | …11000101001010 |
3 | 22001011012002002 |
4 | 12320033011022 |
5 | 214020431010 |
6 | 15241311002 |
7 | 2600633051 |
oct | 670170512 |
9 | 261135062 |
10 | 115405130 |
11 | 5a163645 |
12 | 32795462 |
13 | 1aba8679 |
14 | 11481398 |
15 | a1e91a5 |
hex | 6e0f14a |
115405130 has 8 divisors (see below), whose sum is σ = 207729252. Its totient is φ = 46162048.
The previous prime is 115405127. The next prime is 115405139. The reversal of 115405130 is 31504511.
It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 18913801 = 9823^2 + 4349^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (115405139) 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, 5770247 + ... + 5770266.
Almost surely, 2115405130 is an apocalyptic number.
115405130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115405130 is a deficient number, since it is larger than the sum of its proper divisors (92324122).
115405130 is a wasteful number, since it uses less digits than its factorization.
115405130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11540520.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 115405130 is about 10742.6779715302. The cubic root of 115405130 is about 486.8647944357.
Adding to 115405130 its reverse (31504511), we get a palindrome (146909641).
The spelling of 115405130 in words is "one hundred fifteen million, four hundred five thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.140 sec. • engine limits •