Base | Representation |
---|---|
bin | 1010011000011… |
… | …01110001110001 |
3 | 20001212112121102 |
4 | 11030031301301 |
5 | 134243310431 |
6 | 12350334145 |
7 | 2105144402 |
oct | 514156161 |
9 | 201775542 |
10 | 87088241 |
11 | 45182759 |
12 | 251ba355 |
13 | 15072806 |
14 | b7cd9a9 |
15 | 79a3dcb |
hex | 530dc71 |
87088241 has 2 divisors, whose sum is σ = 87088242. Its totient is φ = 87088240.
The previous prime is 87088217. The next prime is 87088259. The reversal of 87088241 is 14288078.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63361600 + 23726641 = 7960^2 + 4871^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87088241 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 87088195 and 87088204.
It is not a weakly prime, because it can be changed into another prime (87088271) 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, 43544120 + 43544121.
It is an arithmetic number, because the mean of its divisors is an integer number (43544121).
Almost surely, 287088241 is an apocalyptic number.
It is an amenable number.
87088241 is a deficient number, since it is larger than the sum of its proper divisors (1).
87088241 is an equidigital number, since it uses as much as digits as its factorization.
87088241 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28672, while the sum is 38.
The square root of 87088241 is about 9332.1080683841. The cubic root of 87088241 is about 443.2545200066.
The spelling of 87088241 in words is "eighty-seven million, eighty-eight thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •