Base | Representation |
---|---|
bin | 10010101010001… |
… | …100010101001101 |
3 | 210211001121110221 |
4 | 102222030111031 |
5 | 1120120103240 |
6 | 51021431341 |
7 | 10520612341 |
oct | 2252142515 |
9 | 724047427 |
10 | 313050445 |
11 | 150788484 |
12 | 88a0b551 |
13 | 4cb19c66 |
14 | 2d80d621 |
15 | 1c73aa4a |
hex | 12a8c54d |
313050445 has 4 divisors (see below), whose sum is σ = 375660540. Its totient is φ = 250440352.
The previous prime is 313050349. The next prime is 313050467. The reversal of 313050445 is 544050313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 40998409 + 272052036 = 6403^2 + 16494^2 .
It is a cyclic number.
It is not a de Polignac number, because 313050445 - 27 = 313050317 is a prime.
It is a super-2 number, since 2×3130504452 = 196001162229396050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 31305040 + ... + 31305049.
It is an arithmetic number, because the mean of its divisors is an integer number (93915135).
Almost surely, 2313050445 is an apocalyptic number.
It is an amenable number.
313050445 is a deficient number, since it is larger than the sum of its proper divisors (62610095).
313050445 is an equidigital number, since it uses as much as digits as its factorization.
313050445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62610094.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 313050445 is about 17693.2316155077. The cubic root of 313050445 is about 679.0026071334.
The spelling of 313050445 in words is "three hundred thirteen million, fifty thousand, four hundred forty-five".
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