Base | Representation |
---|---|
bin | 101001101010111011… |
… | …0010100100001000000 |
3 | 22112222111211100111111 |
4 | 1103111312110201000 |
5 | 2431232201221421 |
6 | 105035415453104 |
7 | 6315401035501 |
oct | 1232566244100 |
9 | 275874740444 |
10 | 89487132736 |
11 | 34a51176351 |
12 | 15415087194 |
13 | 85917b3521 |
14 | 448cb56ba8 |
15 | 24db320ee1 |
hex | 14d5d94840 |
89487132736 has 63 divisors (see below), whose sum is σ = 180829824903. Its totient is φ = 43938270720.
The previous prime is 89487132697. The next prime is 89487132737. The reversal of 89487132736 is 63723178498.
The square root of 89487132736 is 299144.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 84494862400 + 4992270336 = 290680^2 + 70656^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89487132737) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 145981966 + ... + 145982578.
It is an arithmetic number, because the mean of its divisors is an integer number (2870314681).
Almost surely, 289487132736 is an apocalyptic number.
89487132736 is the 299144-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89487132736
89487132736 is an abundant number, since it is smaller than the sum of its proper divisors (91342692167).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89487132736 is an frugal number, since it uses more digits than its factorization.
89487132736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1360 (or 676 counting only the distinct ones).
The product of its digits is 12192768, while the sum is 58.
The spelling of 89487132736 in words is "eighty-nine billion, four hundred eighty-seven million, one hundred thirty-two thousand, seven hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •