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317116928 = 297872
BaseRepresentation
bin10010111001101…
…101001000000000
3211002201012122102
4102321231020000
51122140220203
651244525532
710600310102
oct2271551000
9732635572
10317116928
11153005707
128a2508a8
1350911b6b
143018b572
151cc90888
hex12e6d200

317116928 has 30 divisors (see below), whose sum is σ = 634420611. Its totient is φ = 158356992.

The previous prime is 317116909. The next prime is 317116991. The reversal of 317116928 is 829611713.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 158558464 + 158558464 = 12592^2 + 12592^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=12592.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317116891 and 317116900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 402551 + ... + 403337.

Almost surely, 2317116928 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 317116928

317116928 is an abundant number, since it is smaller than the sum of its proper divisors (317303683).

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

317116928 is an frugal number, since it uses more digits than its factorization.

317116928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 789 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 317116928 is about 17807.7771774020. Note that the first 3 decimals coincide. The cubic root of 317116928 is about 681.9300186476.

The spelling of 317116928 in words is "three hundred seventeen million, one hundred sixteen thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 787 1574 3148 6296 12592 25184 50368 100736 201472 402944 619369 1238738 2477476 4954952 9909904 19819808 39639616 79279232 158558464 317116928