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86688101 is a prime number
BaseRepresentation
bin1010010101011…
…00000101100101
320001010012201102
411022230011211
5134143004401
612334005445
72101556663
oct512540545
9201105642
1086688101
1144a2a065
1225046885
1314c62646
14b727c33
15792556b
hex52ac165

86688101 has 2 divisors, whose sum is σ = 86688102. Its totient is φ = 86688100.

The previous prime is 86688097. The next prime is 86688109. The reversal of 86688101 is 10188668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 27552001 = 7690^2 + 5249^2 .

It is a cyclic number.

It is not a de Polignac number, because 86688101 - 22 = 86688097 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86688109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43344050 + 43344051.

It is an arithmetic number, because the mean of its divisors is an integer number (43344051).

Almost surely, 286688101 is an apocalyptic number.

It is an amenable number.

86688101 is a deficient number, since it is larger than the sum of its proper divisors (1).

86688101 is an equidigital number, since it uses as much as digits as its factorization.

86688101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 86688101 is about 9310.6444997111. The cubic root of 86688101 is about 442.5746111435.

The spelling of 86688101 in words is "eighty-six million, six hundred eighty-eight thousand, one hundred one".