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317949268 = 2271319311483
BaseRepresentation
bin10010111100111…
…000010101010100
3211011021111101211
4102330320111110
51122343334033
651314431204
710610344540
oct2274702524
9734244354
10317949268
11153523a9a
128a592504
1350b43980
1430326a20
151cda72cd
hex12f38554

317949268 has 96 divisors (see below), whose sum is σ = 744611840. Its totient is φ = 115240320.

The previous prime is 317949259. The next prime is 317949293. The reversal of 317949268 is 862949713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213655 + ... + 215137.

Almost surely, 2317949268 is an apocalyptic number.

317949268 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317949268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372305920).

317949268 is an abundant number, since it is smaller than the sum of its proper divisors (426662572).

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

317949268 is a wasteful number, since it uses less digits than its factorization.

317949268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 317949268 is about 17831.1319887437. The cubic root of 317949268 is about 682.5261202864.

The spelling of 317949268 in words is "three hundred seventeen million, nine hundred forty-nine thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 13 14 19 26 28 31 38 52 62 76 91 124 133 182 217 247 266 364 403 434 494 532 589 806 868 988 1178 1483 1612 1729 2356 2821 2966 3458 4123 5642 5932 6916 7657 8246 10381 11284 15314 16492 19279 20762 28177 30628 38558 41524 45973 53599 56354 77116 91946 107198 112708 134953 183892 197239 214396 269906 321811 366301 394478 539812 597649 643622 732602 788956 873487 1195298 1287244 1465204 1746974 2390596 2564107 3493948 4183543 5128214 6114409 8367086 10256428 11355331 12228818 16734172 22710662 24457636 45421324 79487317 158974634 317949268