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86787068 = 22163133109
BaseRepresentation
bin1010010110001…
…00001111111100
320001022020110212
411023010033330
5134204141233
612340051552
72102451344
oct513041774
9201266425
1086787068
1144a97455
1225093bb8
1314c986c4
14b751d24
157944a48
hex52c43fc

86787068 has 12 divisors (see below), whose sum is σ = 152810280. Its totient is φ = 43126992.

The previous prime is 86787049. The next prime is 86787121. The reversal of 86787068 is 86078768.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65903 + ... + 67206.

It is an arithmetic number, because the mean of its divisors is an integer number (12734190).

Almost surely, 286787068 is an apocalyptic number.

It is an amenable number.

86787068 is a deficient number, since it is larger than the sum of its proper divisors (66023212).

86787068 is a wasteful number, since it uses less digits than its factorization.

86787068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133276 (or 133274 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 86787068 is about 9315.9577070745. The cubic root of 86787068 is about 442.7429680594.

The spelling of 86787068 in words is "eighty-six million, seven hundred eighty-seven thousand, sixty-eight".

Divisors: 1 2 4 163 326 652 133109 266218 532436 21696767 43393534 86787068