Base | Representation |
---|---|
bin | 1010101000110… |
… | …11110000100100 |
3 | 20012220222220201 |
4 | 11110123300210 |
5 | 140321231120 |
6 | 12504440244 |
7 | 2132356453 |
oct | 524336044 |
9 | 205828821 |
10 | 89242660 |
11 | 46414371 |
12 | 25a79084 |
13 | 15648310 |
14 | bbd0b9a |
15 | 7c7c40a |
hex | 551bc24 |
89242660 has 96 divisors (see below), whose sum is σ = 211115520. Its totient is φ = 31477248.
The previous prime is 89242607. The next prime is 89242667. The reversal of 89242660 is 6624298.
It is not an unprimeable number, because it can be changed into a prime (89242667) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818686 + ... + 818794.
It is an arithmetic number, because the mean of its divisors is an integer number (2199120).
Almost surely, 289242660 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 89242660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105557760).
89242660 is an abundant number, since it is smaller than the sum of its proper divisors (121872860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89242660 is a wasteful number, since it uses less digits than its factorization.
89242660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245 (or 243 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 89242660 is about 9446.8333318631. The cubic root of 89242660 is about 446.8799147584.
The spelling of 89242660 in words is "eighty-nine million, two hundred forty-two thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •