Base | Representation |
---|---|
bin | 1111100011001… |
… | …11000010010010 |
3 | 100002110022112021 |
4 | 13301213002102 |
5 | 231343223313 |
6 | 20535522054 |
7 | 3142524313 |
oct | 761470222 |
9 | 302408467 |
10 | 130445458 |
11 | 676a6670 |
12 | 3782932a |
13 | 21043480 |
14 | 1347860a |
15 | b6ba78d |
hex | 7c67092 |
130445458 has 32 divisors (see below), whose sum is σ = 237307392. Its totient is φ = 52963200.
The previous prime is 130445429. The next prime is 130445459. The reversal of 130445458 is 854544031.
It is not an unprimeable number, because it can be changed into a prime (130445459) 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 15 ways as a sum of consecutive naturals, for example, 1510 + ... + 16222.
It is an arithmetic number, because the mean of its divisors is an integer number (7415856).
Almost surely, 2130445458 is an apocalyptic number.
130445458 is a deficient number, since it is larger than the sum of its proper divisors (106861934).
130445458 is a wasteful number, since it uses less digits than its factorization.
130445458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14770.
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 130445458 is about 11421.2721708223. The cubic root of 130445458 is about 507.1576576064.
Adding to 130445458 its reverse (854544031), we get a palindrome (984989489).
The spelling of 130445458 in words is "one hundred thirty million, four hundred forty-five thousand, four hundred fifty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.030 sec. • engine limits •