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86030381 is a prime number
BaseRepresentation
bin1010010000010…
…11100000101101
312222212210111102
411020023200231
5134010433011
612311532445
72063150303
oct510134055
9188783442
1086030381
114461a998
122498a125
1314a92168
14b5d6273
15784573b
hex520b82d

86030381 has 2 divisors, whose sum is σ = 86030382. Its totient is φ = 86030380.

The previous prime is 86030377. The next prime is 86030389. The reversal of 86030381 is 18303068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 9205156 = 8765^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 86030381 - 22 = 86030377 is a prime.

It is a super-2 number, since 2×860303812 = 14802452910010322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86030389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43015190 + 43015191.

It is an arithmetic number, because the mean of its divisors is an integer number (43015191).

Almost surely, 286030381 is an apocalyptic number.

It is an amenable number.

86030381 is a deficient number, since it is larger than the sum of its proper divisors (1).

86030381 is an equidigital number, since it uses as much as digits as its factorization.

86030381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 86030381 is about 9275.2563845966. The cubic root of 86030381 is about 441.4524675995.

The spelling of 86030381 in words is "eighty-six million, thirty thousand, three hundred eighty-one".