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317493782 = 2421377071
BaseRepresentation
bin10010111011001…
…001001000010110
3211010102100120222
4102323021020112
51122234300112
651300554342
710603436564
oct2273111026
9733370528
10317493782
11153242861
128a3b29b2
1350a14558
1430248a34
151cd17372
hex12ec9216

317493782 has 8 divisors (see below), whose sum is σ = 477373152. Its totient is φ = 158369400.

The previous prime is 317493779. The next prime is 317493793. The reversal of 317493782 is 287394713.

317493782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 187694 + ... + 189377.

It is an arithmetic number, because the mean of its divisors is an integer number (59671644).

Almost surely, 2317493782 is an apocalyptic number.

317493782 is a deficient number, since it is larger than the sum of its proper divisors (159879370).

317493782 is a wasteful number, since it uses less digits than its factorization.

317493782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377494.

The product of its digits is 254016, while the sum is 44.

The square root of 317493782 is about 17818.3551990637. The cubic root of 317493782 is about 682.2000413640.

The spelling of 317493782 in words is "three hundred seventeen million, four hundred ninety-three thousand, seven hundred eighty-two".

Divisors: 1 2 421 842 377071 754142 158746891 317493782