Base | Representation |
---|---|
bin | 111001011011… |
… | …0001011111001 |
3 | 2002122120011102 |
4 | 1302312023321 |
5 | 30201400421 |
6 | 2553141145 |
7 | 513620435 |
oct | 162661371 |
9 | 62576142 |
10 | 30106361 |
11 | 15aa339a |
12 | a0ba7b5 |
13 | 631151c |
14 | 3dd99c5 |
15 | 299a60b |
hex | 1cb62f9 |
30106361 has 2 divisors, whose sum is σ = 30106362. Its totient is φ = 30106360.
The previous prime is 30106331. The next prime is 30106369. The reversal of 30106361 is 16360103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29637136 + 469225 = 5444^2 + 685^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30106361 is a prime.
It is not a weakly prime, because it can be changed into another prime (30106369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15053180 + 15053181.
It is an arithmetic number, because the mean of its divisors is an integer number (15053181).
Almost surely, 230106361 is an apocalyptic number.
It is an amenable number.
30106361 is a deficient number, since it is larger than the sum of its proper divisors (1).
30106361 is an equidigital number, since it uses as much as digits as its factorization.
30106361 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 30106361 is about 5486.9263709294. The cubic root of 30106361 is about 311.0900267693.
Adding to 30106361 its reverse (16360103), we get a palindrome (46466464).
The spelling of 30106361 in words is "thirty million, one hundred six thousand, three hundred sixty-one".
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