Base | Representation |
---|---|
bin | 110000000100… |
… | …0101010110010 |
3 | 1202102100201121 |
4 | 1200020222302 |
5 | 22422420310 |
6 | 2300052454 |
7 | 424131160 |
oct | 140105262 |
9 | 52370647 |
10 | 25201330 |
11 | 13253150 |
12 | 853412a |
13 | 52b4a3b |
14 | 34c0230 |
15 | 232c0da |
hex | 1808ab2 |
25201330 has 64 divisors (see below), whose sum is σ = 59056128. Its totient is φ = 7508160.
The previous prime is 25201321. The next prime is 25201331. The reversal of 25201330 is 3310252.
It is not an unprimeable number, because it can be changed into a prime (25201331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16999 + ... + 18421.
It is an arithmetic number, because the mean of its divisors is an integer number (922752).
Almost surely, 225201330 is an apocalyptic number.
25201330 is an abundant number, since it is smaller than the sum of its proper divisors (33854798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25201330 is a wasteful number, since it uses less digits than its factorization.
25201330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1471.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 25201330 is about 5020.0926286275. The cubic root of 25201330 is about 293.1845994714.
Adding to 25201330 its reverse (3310252), we get a palindrome (28511582).
The spelling of 25201330 in words is "twenty-five million, two hundred one thousand, three hundred thirty".
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