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68051700 = 22325283911
BaseRepresentation
bin1000000111001…
…10001011110100
311202001101101100
410003212023310
5114410123300
610430330100
71454300313
oct403461364
9152041340
1068051700
1135460282
121a959930
1311138aa2
14907627a
155e93700
hex40e62f4

68051700 has 108 divisors (see below), whose sum is σ = 216111168. Its totient is φ = 17908800.

The previous prime is 68051657. The next prime is 68051713. The reversal of 68051700 is 715086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74245 + ... + 75155.

Almost surely, 268051700 is an apocalyptic number.

68051700 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 68051700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108055584).

68051700 is an abundant number, since it is smaller than the sum of its proper divisors (148059468).

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

68051700 is a wasteful number, since it uses less digits than its factorization.

68051700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 68051700 is about 8249.3454285780. The cubic root of 68051700 is about 408.2689259328.

Adding to 68051700 its reverse (715086), we get a palindrome (68766786).

The spelling of 68051700 in words is "sixty-eight million, fifty-one thousand, seven hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 83 90 100 150 166 180 225 249 300 332 415 450 498 747 830 900 911 996 1245 1494 1660 1822 2075 2490 2733 2988 3644 3735 4150 4555 4980 5466 6225 7470 8199 8300 9110 10932 12450 13665 14940 16398 18220 18675 22775 24900 27330 32796 37350 40995 45550 54660 68325 74700 75613 81990 91100 136650 151226 163980 204975 226839 273300 302452 378065 409950 453678 680517 756130 819900 907356 1134195 1361034 1512260 1890325 2268390 2722068 3402585 3780650 4536780 5670975 6805170 7561300 11341950 13610340 17012925 22683900 34025850 68051700