Base | Representation |
---|---|
bin | 10110111011100… |
… | …111110001010100 |
3 | 222210221012210200 |
4 | 112323213301110 |
5 | 1241442300043 |
6 | 102102020500 |
7 | 12351064260 |
oct | 2673476124 |
9 | 883835720 |
10 | 384728148 |
11 | 188194a52 |
12 | a8a17730 |
13 | 619252bc |
14 | 3914b0a0 |
15 | 23b987d3 |
hex | 16ee7c54 |
384728148 has 72 divisors (see below), whose sum is σ = 1115237760. Its totient is φ = 109546560.
The previous prime is 384728129. The next prime is 384728161. The reversal of 384728148 is 841827483.
384728148 is a `hidden beast` number, since 38 + 472 + 8 + 148 = 666.
It is a super-3 number, since 3×3847281483 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75918 + ... + 80826.
Almost surely, 2384728148 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 384728148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557618880).
384728148 is an abundant number, since it is smaller than the sum of its proper divisors (730509612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
384728148 is a wasteful number, since it uses less digits than its factorization.
384728148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5237 (or 5232 counting only the distinct ones).
The product of its digits is 344064, while the sum is 45.
The square root of 384728148 is about 19614.4882166219. The cubic root of 384728148 is about 727.3073681360.
The spelling of 384728148 in words is "three hundred eighty-four million, seven hundred twenty-eight thousand, one hundred forty-eight".
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