Base | Representation |
---|---|
bin | 1010011000110… |
… | …10101111100011 |
3 | 20001222020110022 |
4 | 11030122233203 |
5 | 134302010342 |
6 | 12351424055 |
7 | 2105455256 |
oct | 514325743 |
9 | 201866408 |
10 | 87141347 |
11 | 45209647 |
12 | 2522502b |
13 | 15090a37 |
14 | b80509d |
15 | 79b49d2 |
hex | 531abe3 |
87141347 has 2 divisors, whose sum is σ = 87141348. Its totient is φ = 87141346.
The previous prime is 87141323. The next prime is 87141389. The reversal of 87141347 is 74314178.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87141347 - 218 = 86879203 is a prime.
It is a super-2 number, since 2×871413472 = 15187228713948818, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (87641347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43570673 + 43570674.
It is an arithmetic number, because the mean of its divisors is an integer number (43570674).
Almost surely, 287141347 is an apocalyptic number.
87141347 is a deficient number, since it is larger than the sum of its proper divisors (1).
87141347 is an equidigital number, since it uses as much as digits as its factorization.
87141347 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18816, while the sum is 35.
The square root of 87141347 is about 9334.9529725650. The cubic root of 87141347 is about 443.3445998732.
The spelling of 87141347 in words is "eighty-seven million, one hundred forty-one thousand, three hundred forty-seven".
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