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68650318 = 2113173741
BaseRepresentation
bin1000001011110…
…00010101001110
311210011210112101
410011320111032
5120033302233
610451225314
71462342462
oct405702516
9153153471
1068650318
113582a000
121aba823a
13112b83b9
1491904a2
156060c7d
hex417854e

68650318 has 64 divisors (see below), whose sum is σ = 126173376. Its totient is φ = 27878400.

The previous prime is 68650297. The next prime is 68650321. The reversal of 68650318 is 81305686.

It is a super-2 number, since 2×686503182 = 9425732323002248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 1674378 + ... + 1674418.

It is an arithmetic number, because the mean of its divisors is an integer number (1971459).

Almost surely, 268650318 is an apocalyptic number.

68650318 is a deficient number, since it is larger than the sum of its proper divisors (57523058).

68650318 is a wasteful number, since it uses less digits than its factorization.

68650318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 68650318 is about 8285.5487446517. The cubic root of 68650318 is about 409.4625478163.

The spelling of 68650318 in words is "sixty-eight million, six hundred fifty thousand, three hundred eighteen".

Divisors: 1 2 11 17 22 34 37 41 74 82 121 187 242 374 407 451 629 697 814 902 1258 1331 1394 1517 2057 2662 3034 4114 4477 4961 6919 7667 8954 9922 13838 15334 16687 22627 25789 33374 45254 49247 51578 54571 76109 84337 98494 109142 152218 168674 183557 283679 367114 567358 837199 927707 1674398 1855414 2019127 3120469 4038254 6240938 34325159 68650318