Base | Representation |
---|---|
bin | 10001110010111… |
… | …00010100010101 |
3 | 101101220000001222 |
4 | 20321130110111 |
5 | 301203312200 |
6 | 22451300125 |
7 | 3461552531 |
oct | 1071342425 |
9 | 341800058 |
10 | 149275925 |
11 | 77298237 |
12 | 41baa645 |
13 | 24c07466 |
14 | 15b7abc1 |
15 | d189d85 |
hex | 8e5c515 |
149275925 has 12 divisors (see below), whose sum is σ = 185257860. Its totient is φ = 119320320.
The previous prime is 149275897. The next prime is 149275939. The reversal of 149275925 is 529572941.
It can be written as a sum of positive squares in 6 ways, for example, as 5827396 + 143448529 = 2414^2 + 11977^2 .
It is not a de Polignac number, because 149275925 - 28 = 149275669 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46781 + ... + 49869.
It is an arithmetic number, because the mean of its divisors is an integer number (15438155).
Almost surely, 2149275925 is an apocalyptic number.
It is an amenable number.
149275925 is a deficient number, since it is larger than the sum of its proper divisors (35981935).
149275925 is a wasteful number, since it uses less digits than its factorization.
149275925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5032 (or 5027 counting only the distinct ones).
The product of its digits is 226800, while the sum is 44.
The square root of 149275925 is about 12217.8527164146. The cubic root of 149275925 is about 530.4729669098.
The spelling of 149275925 in words is "one hundred forty-nine million, two hundred seventy-five thousand, nine hundred twenty-five".
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