Base | Representation |
---|---|
bin | 1010011010100… |
… | …00010101111001 |
3 | 20002101101121111 |
4 | 11031100111321 |
5 | 134331022024 |
6 | 12400240321 |
7 | 2110361320 |
oct | 515202571 |
9 | 202341544 |
10 | 87360889 |
11 | 45349590 |
12 | 253100a1 |
13 | 15139945 |
14 | b8610b7 |
15 | 7a09a94 |
hex | 5350579 |
87360889 has 8 divisors (see below), whose sum is σ = 108917568. Its totient is φ = 68073360.
The previous prime is 87360863. The next prime is 87360901. The reversal of 87360889 is 98806378.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87360889 - 25 = 87360857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87360839) 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 in 7 ways as a sum of consecutive naturals, for example, 567202 + ... + 567355.
It is an arithmetic number, because the mean of its divisors is an integer number (13614696).
Almost surely, 287360889 is an apocalyptic number.
It is an amenable number.
87360889 is a deficient number, since it is larger than the sum of its proper divisors (21556679).
87360889 is a wasteful number, since it uses less digits than its factorization.
87360889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1134575.
The product of its (nonzero) digits is 580608, while the sum is 49.
The square root of 87360889 is about 9346.7047134271. The cubic root of 87360889 is about 443.7166051970.
The spelling of 87360889 in words is "eighty-seven million, three hundred sixty thousand, eight hundred eighty-nine".
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