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68873718 = 23891011277
BaseRepresentation
bin1000001101011…
…10110111110110
311210121010222110
410012232313312
5120112424333
610500111450
71464263004
oct406566766
9153533873
1068873718
1135971931
121b095586
1311365ca4
14920ba74
1560a7063
hex41aedf6

68873718 has 32 divisors (see below), whose sum is σ = 140784480. Its totient is φ = 22457600.

The previous prime is 68873713. The next prime is 68873719. The reversal of 68873718 is 81737886.

It is a super-2 number, since 2×688737182 = 9487178062287048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68873711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53296 + ... + 54572.

It is an arithmetic number, because the mean of its divisors is an integer number (4399515).

Almost surely, 268873718 is an apocalyptic number.

68873718 is an abundant number, since it is smaller than the sum of its proper divisors (71910762).

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

68873718 is a wasteful number, since it uses less digits than its factorization.

68873718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its digits is 451584, while the sum is 48.

The square root of 68873718 is about 8299.0190986646. The cubic root of 68873718 is about 409.9062208677.

The spelling of 68873718 in words is "sixty-eight million, eight hundred seventy-three thousand, seven hundred eighteen".

Divisors: 1 2 3 6 89 101 178 202 267 303 534 606 1277 2554 3831 7662 8989 17978 26967 53934 113653 128977 227306 257954 340959 386931 681918 773862 11478953 22957906 34436859 68873718