Base | Representation |
---|---|
bin | 10010111001110… |
… | …100001011001000 |
3 | 211002202200020202 |
4 | 102321310023020 |
5 | 1122142131200 |
6 | 51245311332 |
7 | 10600460216 |
oct | 2271641310 |
9 | 732680222 |
10 | 317145800 |
11 | 153025374 |
12 | 8a265548 |
13 | 5092204a |
14 | 30197cb6 |
15 | 1cc991d5 |
hex | 12e742c8 |
317145800 has 48 divisors (see below), whose sum is σ = 743942340. Its totient is φ = 125726720.
The previous prime is 317145793. The next prime is 317145823. The reversal of 317145800 is 8541713.
It can be written as a sum of positive squares in 6 ways, for example, as 3076516 + 314069284 = 1754^2 + 17722^2 .
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 11 ways as a sum of consecutive naturals, for example, 15584 + ... + 29616.
Almost surely, 2317145800 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 317145800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371971170).
317145800 is an abundant number, since it is smaller than the sum of its proper divisors (426796540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317145800 is a wasteful number, since it uses less digits than its factorization.
317145800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14162 (or 14153 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 317145800 is about 17808.5878159948. The cubic root of 317145800 is about 681.9507135230.
The spelling of 317145800 in words is "three hundred seventeen million, one hundred forty-five thousand, eight hundred".
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