Base | Representation |
---|---|
bin | 10001110001001… |
… | …00001000011001 |
3 | 101101110022101021 |
4 | 20320210020121 |
5 | 301123431120 |
6 | 22442322441 |
7 | 3456603550 |
oct | 1070441031 |
9 | 341408337 |
10 | 149045785 |
11 | 77150339 |
12 | 41ab9421 |
13 | 24b56795 |
14 | 15b1ad97 |
15 | d141aaa |
hex | 8e24219 |
149045785 has 16 divisors (see below), whose sum is σ = 215164800. Its totient is φ = 96823296.
The previous prime is 149045777. The next prime is 149045791. The reversal of 149045785 is 587540941.
It is a cyclic number.
It is not a de Polignac number, because 149045785 - 23 = 149045777 is a prime.
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, 111400 + ... + 112729.
It is an arithmetic number, because the mean of its divisors is an integer number (13447800).
Almost surely, 2149045785 is an apocalyptic number.
It is an amenable number.
149045785 is a deficient number, since it is larger than the sum of its proper divisors (66119015).
149045785 is a wasteful number, since it uses less digits than its factorization.
149045785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224160.
The product of its (nonzero) digits is 201600, while the sum is 43.
The square root of 149045785 is about 12208.4308983587. The cubic root of 149045785 is about 530.2002150885.
The spelling of 149045785 in words is "one hundred forty-nine million, forty-five thousand, seven hundred eighty-five".
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