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87101701 is a prime number
BaseRepresentation
bin1010011000100…
…01000100000101
320001220020001221
411030101010011
5134244223301
612350520341
72105231551
oct514210405
9201806057
1087101701
1145191885
12252060b1
131507898b
14b7d4861
1579a7da1
hex5311105

87101701 has 2 divisors, whose sum is σ = 87101702. Its totient is φ = 87101700.

The previous prime is 87101683. The next prime is 87101743. The reversal of 87101701 is 10710178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 19368801 = 8230^2 + 4401^2 .

It is a cyclic number.

It is not a de Polignac number, because 87101701 - 217 = 86970629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87101771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43550850 + 43550851.

It is an arithmetic number, because the mean of its divisors is an integer number (43550851).

Almost surely, 287101701 is an apocalyptic number.

It is an amenable number.

87101701 is a deficient number, since it is larger than the sum of its proper divisors (1).

87101701 is an equidigital number, since it uses as much as digits as its factorization.

87101701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 87101701 is about 9332.8292066233. The cubic root of 87101701 is about 443.2773546948.

Adding to 87101701 its reverse (10710178), we get a palindrome (97811879).

The spelling of 87101701 in words is "eighty-seven million, one hundred one thousand, seven hundred one".