Base | Representation |
---|---|
bin | 101111101100… |
… | …0110001001010 |
3 | 1202001101120221 |
4 | 1133120301022 |
5 | 22400131010 |
6 | 2251540254 |
7 | 422353153 |
oct | 137306112 |
9 | 52041527 |
10 | 25005130 |
11 | 131297a7 |
12 | 845a68a |
13 | 5246647 |
14 | 346c92a |
15 | 22dddda |
hex | 17d8c4a |
25005130 has 16 divisors (see below), whose sum is σ = 47657160. Its totient is φ = 9413632.
The previous prime is 25005119. The next prime is 25005131. The reversal of 25005130 is 3150052.
It can be written as a sum of positive squares in 4 ways, for example, as 24990001 + 15129 = 4999^2 + 123^2 .
It is not an unprimeable number, because it can be changed into a prime (25005131) 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 7 ways as a sum of consecutive naturals, for example, 73375 + ... + 73714.
Almost surely, 225005130 is an apocalyptic number.
25005130 is a deficient number, since it is larger than the sum of its proper divisors (22652030).
25005130 is a wasteful number, since it uses less digits than its factorization.
25005130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147113.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 25005130 is about 5000.5129736858. The cubic root of 25005130 is about 292.4217727348.
Adding to 25005130 its reverse (3150052), we get a palindrome (28155182).
The spelling of 25005130 in words is "twenty-five million, five thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •