Base | Representation |
---|---|
bin | 11010111100000… |
… | …11000001000001 |
3 | 120202012222221110 |
4 | 31132003001001 |
5 | 430322333411 |
6 | 34231313533 |
7 | 5412542136 |
oct | 1536030101 |
9 | 522188843 |
10 | 225980481 |
11 | 106618531 |
12 | 6381b8a9 |
13 | 37a8287c |
14 | 2202658d |
15 | 14c8c2a6 |
hex | d783041 |
225980481 has 16 divisors (see below), whose sum is σ = 306969408. Its totient is φ = 147840000.
The previous prime is 225980477. The next prime is 225980533. The reversal of 225980481 is 184089522.
It is not a de Polignac number, because 225980481 - 22 = 225980477 is a prime.
It is a super-2 number, since 2×2259804812 = 102134355585982722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (225980401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54481 + ... + 58481.
It is an arithmetic number, because the mean of its divisors is an integer number (19185588).
Almost surely, 2225980481 is an apocalyptic number.
It is an amenable number.
225980481 is a deficient number, since it is larger than the sum of its proper divisors (80988927).
225980481 is a wasteful number, since it uses less digits than its factorization.
225980481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4352.
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 225980481 is about 15032.6471720719. The cubic root of 225980481 is about 609.1023983812.
The spelling of 225980481 in words is "two hundred twenty-five million, nine hundred eighty thousand, four hundred eighty-one".
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