Base | Representation |
---|---|
bin | 111011000101… |
… | …1100101011110 |
3 | 2011021222011221 |
4 | 1312023211132 |
5 | 30412333241 |
6 | 3024003554 |
7 | 524221000 |
oct | 166134536 |
9 | 64258157 |
10 | 30980446 |
11 | 16540082 |
12 | a4605ba |
13 | 6559333 |
14 | 4186370 |
15 | 2abe5d1 |
hex | 1d8b95e |
30980446 has 16 divisors (see below), whose sum is σ = 54194400. Its totient is φ = 13277040.
The previous prime is 30980413. The next prime is 30980447. The reversal of 30980446 is 64408903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30980447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21895 + ... + 23266.
It is an arithmetic number, because the mean of its divisors is an integer number (3387150).
Almost surely, 230980446 is an apocalyptic number.
30980446 is a deficient number, since it is larger than the sum of its proper divisors (23213954).
30980446 is an equidigital number, since it uses as much as digits as its factorization.
30980446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45184 (or 45170 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 30980446 is about 5566.0080847947. The cubic root of 30980446 is about 314.0720012851.
The spelling of 30980446 in words is "thirty million, nine hundred eighty thousand, four hundred forty-six".
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