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87039341 is a prime number
BaseRepresentation
bin1010011000000…
…01110101101101
320001210001112022
411030001311231
5134240224331
612345315525
72104552004
oct514016555
9201701468
1087039341
1145149a44
1225195ba5
131505648c
14b7b9c3b
15799467b
hex5301d6d

87039341 has 2 divisors, whose sum is σ = 87039342. Its totient is φ = 87039340.

The previous prime is 87039317. The next prime is 87039373. The reversal of 87039341 is 14393078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 37393225 = 7046^2 + 6115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87039341 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87039391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43519670 + 43519671.

It is an arithmetic number, because the mean of its divisors is an integer number (43519671).

Almost surely, 287039341 is an apocalyptic number.

It is an amenable number.

87039341 is a deficient number, since it is larger than the sum of its proper divisors (1).

87039341 is an equidigital number, since it uses as much as digits as its factorization.

87039341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 87039341 is about 9329.4877136958. The cubic root of 87039341 is about 443.1715420832.

The spelling of 87039341 in words is "eighty-seven million, thirty-nine thousand, three hundred forty-one".