Base | Representation |
---|---|
bin | 1010101100101… |
… | …10010111100100 |
3 | 20020212111211000 |
4 | 11112112113210 |
5 | 140433313433 |
6 | 12523313300 |
7 | 2136550563 |
oct | 526262744 |
9 | 206774730 |
10 | 89744868 |
11 | 46727714 |
12 | 2607b830 |
13 | 15792a95 |
14 | bcc1bda |
15 | 7d2b113 |
hex | 55965e4 |
89744868 has 48 divisors (see below), whose sum is σ = 234008320. Its totient is φ = 29743200.
The previous prime is 89744839. The next prime is 89744881. The reversal of 89744868 is 86844798.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17253 + ... + 21843.
Almost surely, 289744868 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 89744868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117004160).
89744868 is an abundant number, since it is smaller than the sum of its proper divisors (144263452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89744868 is a wasteful number, since it uses less digits than its factorization.
89744868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4785 (or 4777 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 54.
The square root of 89744868 is about 9473.3768002756. The cubic root of 89744868 is about 447.7166110076.
The spelling of 89744868 in words is "eighty-nine million, seven hundred forty-four thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •