Base | Representation |
---|---|
bin | 1010101010101… |
… | …11100111101110 |
3 | 20020101110020222 |
4 | 11111113213232 |
5 | 140402102404 |
6 | 12514011342 |
7 | 2134430351 |
oct | 525274756 |
9 | 206343228 |
10 | 89487854 |
11 | 46571605 |
12 | 25b76b52 |
13 | 15702ac1 |
14 | bc56298 |
15 | 7cc9dbe |
hex | 55579ee |
89487854 has 16 divisors (see below), whose sum is σ = 137000160. Its totient is φ = 43827360.
The previous prime is 89487787. The next prime is 89487857. The reversal of 89487854 is 45878498.
It is a happy number.
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 89487796 and 89487805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89487857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30692 + ... + 33480.
It is an arithmetic number, because the mean of its divisors is an integer number (8562510).
Almost surely, 289487854 is an apocalyptic number.
89487854 is a deficient number, since it is larger than the sum of its proper divisors (47512306).
89487854 is a wasteful number, since it uses less digits than its factorization.
89487854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3115.
The product of its digits is 2580480, while the sum is 53.
The square root of 89487854 is about 9459.8020063847. The cubic root of 89487854 is about 447.2888076834.
The spelling of 89487854 in words is "eighty-nine million, four hundred eighty-seven thousand, eight hundred fifty-four".
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