Base | Representation |
---|---|
bin | 1010101110001… |
… | …11110001111100 |
3 | 20021020210110000 |
4 | 11113013301330 |
5 | 141011303020 |
6 | 12531514300 |
7 | 2141352624 |
oct | 527076174 |
9 | 207223400 |
10 | 89947260 |
11 | 46855787 |
12 | 26158990 |
13 | 15833c40 |
14 | bd35884 |
15 | 7d6b090 |
hex | 55c7c7c |
89947260 has 120 divisors (see below), whose sum is σ = 303944256. Its totient is φ = 22135680.
The previous prime is 89947243. The next prime is 89947261. The reversal of 89947260 is 6274998.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89947261) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18925 + ... + 23195.
Almost surely, 289947260 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89947260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151972128).
89947260 is an abundant number, since it is smaller than the sum of its proper divisors (213996996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89947260 is a wasteful number, since it uses less digits than its factorization.
89947260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4305 (or 4294 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 89947260 is about 9484.0529311049. The cubic root of 89947260 is about 448.0529207786.
The spelling of 89947260 in words is "eighty-nine million, nine hundred forty-seven thousand, two hundred sixty".
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