Base | Representation |
---|---|
bin | 1010101010101… |
… | …01111101110110 |
3 | 20020101002222000 |
4 | 11111111331312 |
5 | 140401343303 |
6 | 12513520130 |
7 | 2134401531 |
oct | 525257566 |
9 | 206332860 |
10 | 89481078 |
11 | 46567505 |
12 | 25b73046 |
13 | 156cc9ab |
14 | bc53a18 |
15 | 7cc7da3 |
hex | 5555f76 |
89481078 has 32 divisors (see below), whose sum is σ = 199588320. Its totient is φ = 29715840.
The previous prime is 89481071. The next prime is 89481079. The reversal of 89481078 is 87018498.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89481071) 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 15 ways as a sum of consecutive naturals, for example, 12226 + ... + 18122.
It is an arithmetic number, because the mean of its divisors is an integer number (6237135).
Almost surely, 289481078 is an apocalyptic number.
89481078 is an abundant number, since it is smaller than the sum of its proper divisors (110107242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89481078 is a wasteful number, since it uses less digits than its factorization.
89481078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6189 (or 6183 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 45.
The square root of 89481078 is about 9459.4438525740. The cubic root of 89481078 is about 447.2775178628.
The spelling of 89481078 in words is "eighty-nine million, four hundred eighty-one thousand, seventy-eight".
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