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87104273 is a prime number
BaseRepresentation
bin1010011000100…
…01101100010001
320001220100121012
411030101230101
5134244314043
612350540305
72105242214
oct514215421
9201810535
1087104273
1145193803
1225207695
1315079bb9
14b7d577b
1579a8a18
hex5311b11

87104273 has 2 divisors, whose sum is σ = 87104274. Its totient is φ = 87104272.

The previous prime is 87104261. The next prime is 87104293. The reversal of 87104273 is 37240178.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61984129 + 25120144 = 7873^2 + 5012^2 .

It is a cyclic number.

It is not a de Polignac number, because 87104273 - 224 = 70327057 is a prime.

It is not a weakly prime, because it can be changed into another prime (87104233) 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, 43552136 + 43552137.

It is an arithmetic number, because the mean of its divisors is an integer number (43552137).

Almost surely, 287104273 is an apocalyptic number.

It is an amenable number.

87104273 is a deficient number, since it is larger than the sum of its proper divisors (1).

87104273 is an equidigital number, since it uses as much as digits as its factorization.

87104273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 87104273 is about 9332.9669987630. The cubic root of 87104273 is about 443.2817177865.

The spelling of 87104273 in words is "eighty-seven million, one hundred four thousand, two hundred seventy-three".