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86260081 is a prime number
BaseRepresentation
bin1010010010000…
…11100101110001
320000022110120211
411021003211301
5134040310311
612320504121
72065125055
oct511034561
9200273524
1086260081
1144767526
1224a7b041
1314b4288b
14b655c65
15788d821
hex5243971

86260081 has 2 divisors, whose sum is σ = 86260082. Its totient is φ = 86260080.

The previous prime is 86260067. The next prime is 86260103. The reversal of 86260081 is 18006268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56927025 + 29333056 = 7545^2 + 5416^2 .

It is a cyclic number.

It is not a de Polignac number, because 86260081 - 211 = 86258033 is a prime.

It is a super-2 number, since 2×862600812 = 14881603148253122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86260001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43130040 + 43130041.

It is an arithmetic number, because the mean of its divisors is an integer number (43130041).

Almost surely, 286260081 is an apocalyptic number.

It is an amenable number.

86260081 is a deficient number, since it is larger than the sum of its proper divisors (1).

86260081 is an equidigital number, since it uses as much as digits as its factorization.

86260081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 86260081 is about 9287.6305374406. The cubic root of 86260081 is about 441.8450092313.

The spelling of 86260081 in words is "eighty-six million, two hundred sixty thousand, eighty-one".