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86900071 is a prime number
BaseRepresentation
bin1010010110111…
…11110101100111
320001111222111011
411023133311213
5134221300241
612342323051
72103431656
oct513376547
9201458434
1086900071
1145064345
1225129487
1315007c7b
14b78119d
157968281
hex52dfd67

86900071 has 2 divisors, whose sum is σ = 86900072. Its totient is φ = 86900070.

The previous prime is 86900057. The next prime is 86900081. The reversal of 86900071 is 17000968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86900071 - 211 = 86898023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86900081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43450035 + 43450036.

It is an arithmetic number, because the mean of its divisors is an integer number (43450036).

Almost surely, 286900071 is an apocalyptic number.

86900071 is a deficient number, since it is larger than the sum of its proper divisors (1).

86900071 is an equidigital number, since it uses as much as digits as its factorization.

86900071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 86900071 is about 9322.0207573251. The cubic root of 86900071 is about 442.9350457720.

The spelling of 86900071 in words is "eighty-six million, nine hundred thousand, seventy-one".