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318055968 = 25325367311
BaseRepresentation
bin10010111101010…
…010011000100000
3211011110220202200
4102331102120200
51122410242333
651321013200
710611300606
oct2275223040
9734426680
10318055968
1115359717a
128a624200
1350b803c9
1430353876
151cdc8c13
hex12f52620

318055968 has 144 divisors (see below), whose sum is σ = 938298816. Its totient is φ = 102136320.

The previous prime is 318055967. The next prime is 318055973. The reversal of 318055968 is 869550813.

318055968 is a `hidden beast` number, since 31 + 8 + 0 + 559 + 68 = 666.

318055968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (318055967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1022533 + ... + 1022843.

It is an arithmetic number, because the mean of its divisors is an integer number (6515964).

Almost surely, 2318055968 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 318055968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469149408).

318055968 is an abundant number, since it is smaller than the sum of its proper divisors (620242848).

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

318055968 is a wasteful number, since it uses less digits than its factorization.

318055968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 318055968 is about 17834.1236958814. The cubic root of 318055968 is about 682.6024609687.

It can be divided in two parts, 31805 and 5968, that added together give a palindrome (37773).

The spelling of 318055968 in words is "three hundred eighteen million, fifty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 67 72 96 106 134 144 159 201 212 268 288 311 318 402 424 477 536 603 622 636 804 848 933 954 1072 1206 1244 1272 1608 1696 1866 1908 2144 2412 2488 2544 2799 3216 3551 3732 3816 4824 4976 5088 5598 6432 7102 7464 7632 9648 9952 10653 11196 14204 14928 15264 16483 19296 20837 21306 22392 28408 29856 31959 32966 41674 42612 44784 49449 56816 62511 63918 65932 83348 85224 89568 98898 113632 125022 127836 131864 148347 166696 170448 187533 197796 250044 255672 263728 296694 333392 340896 375066 395592 500088 511344 527456 593388 666784 750132 791184 1000176 1022688 1104361 1186776 1500264 1582368 2000352 2208722 2373552 3000528 3313083 4417444 4747104 6001056 6626166 8834888 9939249 13252332 17669776 19878498 26504664 35339552 39756996 53009328 79513992 106018656 159027984 318055968