Base | Representation |
---|---|
bin | 10010111010010… |
… | …011100101001000 |
3 | 211010000012201012 |
4 | 102322103211020 |
5 | 1122210240230 |
6 | 51252143052 |
7 | 10601534240 |
oct | 2272234510 |
9 | 733005635 |
10 | 317274440 |
11 | 153102a8a |
12 | 8a307a88 |
13 | 50968772 |
14 | 301ccb20 |
15 | 1ccc2395 |
hex | 12e93948 |
317274440 has 64 divisors (see below), whose sum is σ = 833241600. Its totient is φ = 106460928.
The previous prime is 317274439. The next prime is 317274473. The reversal of 317274440 is 44472713.
It is a junction number, because it is equal to n+sod(n) for n = 317274397 and 317274406.
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 15 ways as a sum of consecutive naturals, for example, 1106 + ... + 25214.
It is an arithmetic number, because the mean of its divisors is an integer number (13019400).
Almost surely, 2317274440 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 317274440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416620800).
317274440 is an abundant number, since it is smaller than the sum of its proper divisors (515967160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317274440 is a wasteful number, since it uses less digits than its factorization.
317274440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24174 (or 24170 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 32.
The square root of 317274440 is about 17812.1991904425. The cubic root of 317274440 is about 682.0429048552.
The spelling of 317274440 in words is "three hundred seventeen million, two hundred seventy-four thousand, four hundred forty".
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