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106817886 = 233719107139
BaseRepresentation
bin1100101110111…
…10100101011110
321102222220121000
412113132211132
5204321133021
614333251130
72434636260
oct627364536
9242886530
10106817886
115532894a
122b933aa6
131918cb66
1410287b30
15959eb26
hex65de95e

106817886 has 128 divisors (see below), whose sum is σ = 290304000. Its totient is φ = 28436832.

The previous prime is 106817881. The next prime is 106817897. The reversal of 106817886 is 688718601.

It is a super-2 number, since 2×1068178862 = 22820121539017992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106817881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768405 + ... + 768543.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2106817886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106817886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152000).

106817886 is an abundant number, since it is smaller than the sum of its proper divisors (183486114).

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

106817886 is a wasteful number, since it uses less digits than its factorization.

106817886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 106817886 is about 10335.2738715527. The cubic root of 106817886 is about 474.4764477060.

The spelling of 106817886 in words is "one hundred six million, eight hundred seventeen thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 63 107 114 126 133 139 171 189 214 266 278 321 342 378 399 417 513 642 749 798 834 963 973 1026 1197 1251 1498 1926 1946 2033 2247 2394 2502 2641 2889 2919 3591 3753 4066 4494 5282 5778 5838 6099 6741 7182 7506 7923 8757 12198 13482 14231 14873 15846 17514 18297 18487 20223 23769 26271 28462 29746 36594 36974 40446 42693 44619 47538 52542 54891 55461 71307 85386 89238 104111 109782 110922 128079 133857 142614 166383 208222 256158 267714 282587 312333 332766 384237 401571 499149 565174 624666 768474 803142 847761 936999 998298 1695522 1873998 1978109 2543283 2810997 3956218 5086566 5621994 5934327 7629849 11868654 15259698 17802981 35605962 53408943 106817886