Base | Representation |
---|---|
bin | 10001110001100… |
… | …10101000100000 |
3 | 101101120022212020 |
4 | 20320302220200 |
5 | 301132331214 |
6 | 22443501440 |
7 | 3460241664 |
oct | 1070625040 |
9 | 341508766 |
10 | 149105184 |
11 | 77190a28 |
12 | 41b27880 |
13 | 24b77827 |
14 | 15b348a4 |
15 | d1544a9 |
hex | 8e32a20 |
149105184 has 48 divisors (see below), whose sum is σ = 396137952. Its totient is φ = 49100288.
The previous prime is 149105137. The next prime is 149105207. The reversal of 149105184 is 481501941.
149105184 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389 + ... + 17324.
It is an arithmetic number, because the mean of its divisors is an integer number (8252874).
Almost surely, 2149105184 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 149105184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198068976).
149105184 is an abundant number, since it is smaller than the sum of its proper divisors (247032768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149105184 is a wasteful number, since it uses less digits than its factorization.
149105184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18809 (or 18801 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 149105184 is about 12210.8633601396. The cubic root of 149105184 is about 530.2706390410.
The spelling of 149105184 in words is "one hundred forty-nine million, one hundred five thousand, one hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •