Base | Representation |
---|---|
bin | 10010110101100… |
… | …001101011000001 |
3 | 211000122112220211 |
4 | 102311201223001 |
5 | 1121400141231 |
6 | 51205234121 |
7 | 10555065211 |
oct | 2265415301 |
9 | 730575824 |
10 | 316021441 |
11 | 15242764a |
12 | 89a02941 |
13 | 5061a348 |
14 | 2dd84241 |
15 | 1cb25eb1 |
hex | 12d61ac1 |
316021441 has 8 divisors (see below), whose sum is σ = 320022920. Its totient is φ = 312035328.
The previous prime is 316021427. The next prime is 316021463. The reversal of 316021441 is 144120613.
It can be written as a sum of positive squares in 4 ways, for example, as 112360000 + 203661441 = 10600^2 + 14271^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 316021441 - 211 = 316019393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (316021141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40765 + ... + 47893.
It is an arithmetic number, because the mean of its divisors is an integer number (40002865).
Almost surely, 2316021441 is an apocalyptic number.
It is an amenable number.
316021441 is a deficient number, since it is larger than the sum of its proper divisors (4001479).
316021441 is an equidigital number, since it uses as much as digits as its factorization.
316021441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7683.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 316021441 is about 17776.9918996438. The cubic root of 316021441 is about 681.1438655633.
The spelling of 316021441 in words is "three hundred sixteen million, twenty-one thousand, four hundred forty-one".
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