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317826340 = 225131222409
BaseRepresentation
bin10010111100011…
…010010100100100
3211011001020202221
4102330122110210
51122330420330
651312042124
710606323256
oct2274322444
9734036687
10317826340
1115344a6a7
128a533344
1350acca30
14302d3cd6
151cd80b7a
hex12f1a524

317826340 has 24 divisors (see below), whose sum is σ = 718777080. Its totient is φ = 117351168.

The previous prime is 317826331. The next prime is 317826343. The reversal of 317826340 is 43628713.

It is a happy number.

317826340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17774656 + 300051684 = 4216^2 + 17322^2 .

It is a junction number, because it is equal to n+sod(n) for n = 317826296 and 317826305.

It is not an unprimeable number, because it can be changed into a prime (317826343) 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, 610945 + ... + 611464.

It is an arithmetic number, because the mean of its divisors is an integer number (29949045).

Almost surely, 2317826340 is an apocalyptic number.

It is an amenable number.

317826340 is an abundant number, since it is smaller than the sum of its proper divisors (400950740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317826340 is a wasteful number, since it uses less digits than its factorization.

317826340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222431 (or 1222429 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 317826340 is about 17827.6846505653. The cubic root of 317826340 is about 682.4381477758.

The spelling of 317826340 in words is "three hundred seventeen million, eight hundred twenty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1222409 2444818 4889636 6112045 12224090 15891317 24448180 31782634 63565268 79456585 158913170 317826340