Search a number
-
+
317304680 = 235711711451
BaseRepresentation
bin10010111010011…
…010111101101000
3211010001202012012
4102322122331220
51122212222210
651252535052
710602021350
oct2272327550
9733052165
10317304680
11153123780
128a321488
1350979464
14301d9b60
151cccb305
hex12e9af68

317304680 has 128 divisors (see below), whose sum is σ = 903260160. Its totient is φ = 97440000.

The previous prime is 317304679. The next prime is 317304683. The reversal of 317304680 is 86403713.

It is not an unprimeable number, because it can be changed into a prime (317304683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217955 + ... + 219405.

It is an arithmetic number, because the mean of its divisors is an integer number (7056720).

Almost surely, 2317304680 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 317304680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451630080).

317304680 is an abundant number, since it is smaller than the sum of its proper divisors (585955480).

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

317304680 is a wasteful number, since it uses less digits than its factorization.

317304680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 317304680 is about 17813.0480266573. The cubic root of 317304680 is about 682.0645730806.

The spelling of 317304680 in words is "three hundred seventeen million, three hundred four thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 71 77 88 110 140 142 154 220 280 284 308 355 385 440 497 568 616 710 770 781 994 1420 1451 1540 1562 1988 2485 2840 2902 3080 3124 3905 3976 4970 5467 5804 6248 7255 7810 9940 10157 10934 11608 14510 15620 15961 19880 20314 21868 27335 29020 31240 31922 40628 43736 50785 54670 58040 63844 79805 81256 101570 103021 109340 111727 127688 159610 203140 206042 218680 223454 319220 406280 412084 446908 515105 558635 638440 721147 824168 893816 1030210 1117270 1133231 1442294 2060420 2234540 2266462 2884588 3605735 4120840 4469080 4532924 5666155 5769176 7211470 7932617 9065848 11332310 14422940 15865234 22664620 28845880 31730468 39663085 45329240 63460936 79326170 158652340 317304680