Base | Representation |
---|---|
bin | 11011011110001… |
… | …00110001001101 |
3 | 121001121202220000 |
4 | 31233010301031 |
5 | 432443202414 |
6 | 34511114513 |
7 | 5465512500 |
oct | 1557046115 |
9 | 531552800 |
10 | 230444109 |
11 | 109097085 |
12 | 65212a39 |
13 | 3898647c |
14 | 22869137 |
15 | 1536eb09 |
hex | dbc4c4d |
230444109 has 30 divisors (see below), whose sum is σ = 400453614. Its totient is φ = 131680080.
The previous prime is 230444089. The next prime is 230444119. The reversal of 230444109 is 901444032.
It can be written as a sum of positive squares in only one way, i.e., 168428484 + 62015625 = 12978^2 + 7875^2 .
It is not a de Polignac number, because 230444109 - 29 = 230443597 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230444119) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 25062 + ... + 32999.
Almost surely, 2230444109 is an apocalyptic number.
It is an amenable number.
230444109 is a deficient number, since it is larger than the sum of its proper divisors (170009505).
230444109 is an equidigital number, since it uses as much as digits as its factorization.
230444109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58087 (or 58071 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 230444109 is about 15180.3856670376. The cubic root of 230444109 is about 613.0866651116.
The spelling of 230444109 in words is "two hundred thirty million, four hundred forty-four thousand, one hundred nine".
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