Base | Representation |
---|---|
bin | 1010101011001… |
… | …10001111011100 |
3 | 20020111111101222 |
4 | 11111212033130 |
5 | 140411011430 |
6 | 12515152512 |
7 | 2135100062 |
oct | 525461734 |
9 | 206444358 |
10 | 89547740 |
11 | 466025a7 |
12 | 25ba5738 |
13 | 15724139 |
14 | bc70032 |
15 | 7cdc9e5 |
hex | 55663dc |
89547740 has 48 divisors (see below), whose sum is σ = 199983168. Its totient is φ = 33606144.
The previous prime is 89547739. The next prime is 89547749. The reversal of 89547740 is 4774598.
It is a junction number, because it is equal to n+sod(n) for n = 89547691 and 89547700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89547749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22544 + ... + 26216.
It is an arithmetic number, because the mean of its divisors is an integer number (4166316).
Almost surely, 289547740 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 89547740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99991584).
89547740 is an abundant number, since it is smaller than the sum of its proper divisors (110435428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89547740 is a wasteful number, since it uses less digits than its factorization.
89547740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3758 (or 3756 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 44.
The square root of 89547740 is about 9462.9667652381. The cubic root of 89547740 is about 447.3885618711.
The spelling of 89547740 in words is "eighty-nine million, five hundred forty-seven thousand, seven hundred forty".
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