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84018168 = 23331329921
BaseRepresentation
bin1010000001000…
…00001111111000
312212002120021000
411000200033320
5133002040133
612200445000
72040066633
oct500401770
9185076230
1084018168
1143476103
1224179760
13145392c0
14b230c1a
157599413
hex50203f8

84018168 has 64 divisors (see below), whose sum is σ = 251344800. Its totient is φ = 25850880.

The previous prime is 84018139. The next prime is 84018203. The reversal of 84018168 is 86181048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12153 + ... + 17768.

Almost surely, 284018168 is an apocalyptic number.

It is an amenable number.

84018168 is an abundant number, since it is smaller than the sum of its proper divisors (167326632).

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

84018168 is a wasteful number, since it uses less digits than its factorization.

84018168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29949 (or 29939 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 84018168 is about 9166.1424819823. The cubic root of 84018168 is about 437.9834859602.

The spelling of 84018168 in words is "eighty-four million, eighteen thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 216 234 312 351 468 702 936 1404 2808 29921 59842 89763 119684 179526 239368 269289 359052 388973 538578 718104 777946 807867 1077156 1166919 1555892 1615734 2154312 2333838 3111784 3231468 3500757 4667676 6462936 7001514 9335352 10502271 14003028 21004542 28006056 42009084 84018168