Base | Representation |
---|---|
bin | 10001110010111… |
… | …10100001000000 |
3 | 101101220110102102 |
4 | 20321132201000 |
5 | 301204104203 |
6 | 22451405532 |
7 | 3461621012 |
oct | 1071364100 |
9 | 341813372 |
10 | 149284928 |
11 | 772a3a81 |
12 | 41bb38a8 |
13 | 24c0b5a0 |
14 | 15b801b2 |
15 | d18c888 |
hex | 8e5e840 |
149284928 has 28 divisors (see below), whose sum is σ = 319026540. Its totient is φ = 68900352.
The previous prime is 149284909. The next prime is 149284931. The reversal of 149284928 is 829482941.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 52301824 + 96983104 = 7232^2 + 9848^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88883 + ... + 90546.
It is an arithmetic number, because the mean of its divisors is an integer number (11393805).
Almost surely, 2149284928 is an apocalyptic number.
It is an amenable number.
149284928 is an abundant number, since it is smaller than the sum of its proper divisors (169741612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149284928 is a wasteful number, since it uses less digits than its factorization.
149284928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179454 (or 179444 counting only the distinct ones).
The product of its digits is 331776, while the sum is 47.
The square root of 149284928 is about 12218.2211471228. The cubic root of 149284928 is about 530.4836311704.
The spelling of 149284928 in words is "one hundred forty-nine million, two hundred eighty-four thousand, nine hundred twenty-eight".
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