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68877360 = 24325271353
BaseRepresentation
bin1000001101011…
…11110000110000
311210121022222100
410012233300300
5120113033420
610500140400
71464306426
oct406576060
9153538870
1068877360
1135974642
121b097700
1311367846
14920d116
1560a8190
hex41afc30

68877360 has 120 divisors (see below), whose sum is σ = 232824384. Its totient is φ = 18247680.

The previous prime is 68877359. The next prime is 68877377. The reversal of 68877360 is 6377886.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×688773603 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194944 + ... + 195296.

Almost surely, 268877360 is an apocalyptic number.

68877360 is a gapful number since it is divisible by the number (60) 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 68877360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116412192).

68877360 is an abundant number, since it is smaller than the sum of its proper divisors (163947024).

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

68877360 is a wasteful number, since it uses less digits than its factorization.

68877360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 68877360 is about 8299.2385192860. The cubic root of 68877360 is about 409.9134459369.

The spelling of 68877360 in words is "sixty-eight million, eight hundred seventy-seven thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 271 353 360 542 706 720 813 1059 1084 1355 1412 1626 1765 2118 2168 2439 2710 2824 3177 3252 3530 4065 4236 4336 4878 5295 5420 5648 6354 6504 7060 8130 8472 9756 10590 10840 12195 12708 13008 14120 15885 16260 16944 19512 21180 21680 24390 25416 28240 31770 32520 39024 42360 48780 50832 63540 65040 84720 95663 97560 127080 191326 195120 254160 286989 382652 478315 573978 765304 860967 956630 1147956 1434945 1530608 1721934 1913260 2295912 2869890 3443868 3826520 4304835 4591824 5739780 6887736 7653040 8609670 11479560 13775472 17219340 22959120 34438680 68877360