Base | Representation |
---|---|
bin | 10010101011000… |
… | …110110110001101 |
3 | 210211111210020222 |
4 | 102223012312031 |
5 | 1120200241000 |
6 | 51030521125 |
7 | 10522631201 |
oct | 2253066615 |
9 | 724453228 |
10 | 313290125 |
11 | 150931565 |
12 | 88b061a5 |
13 | 4cba2095 |
14 | 2d872b01 |
15 | 1c786a85 |
hex | 12ac6d8d |
313290125 has 8 divisors (see below), whose sum is σ = 390986232. Its totient is φ = 250632000.
The previous prime is 313290121. The next prime is 313290139. The reversal of 313290125 is 521092313.
It can be written as a sum of positive squares in 4 ways, for example, as 19201924 + 294088201 = 4382^2 + 17149^2 .
It is not a de Polignac number, because 313290125 - 22 = 313290121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313290094 and 313290103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313290121) 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, 1253036 + ... + 1253285.
It is an arithmetic number, because the mean of its divisors is an integer number (48873279).
Almost surely, 2313290125 is an apocalyptic number.
It is an amenable number.
313290125 is a deficient number, since it is larger than the sum of its proper divisors (77696107).
313290125 is an equidigital number, since it uses as much as digits as its factorization.
313290125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2506336 (or 2506326 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 313290125 is about 17700.0035310731. The cubic root of 313290125 is about 679.1758505957.
The spelling of 313290125 in words is "three hundred thirteen million, two hundred ninety thousand, one hundred twenty-five".
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