Base | Representation |
---|---|
bin | 1111010110111… |
… | …01011101100000 |
3 | 22222102102011112 |
4 | 13223131131200 |
5 | 230440132001 |
6 | 20441202452 |
7 | 3123031340 |
oct | 753353540 |
9 | 288372145 |
10 | 128833376 |
11 | 667a5471 |
12 | 37190428 |
13 | 208ca789 |
14 | 13178d20 |
15 | b49ccbb |
hex | 7add760 |
128833376 has 48 divisors (see below), whose sum is σ = 305141760. Its totient is φ = 52306560.
The previous prime is 128833349. The next prime is 128833379. The reversal of 128833376 is 673338821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128833379) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10880 + ... + 19391.
It is an arithmetic number, because the mean of its divisors is an integer number (6357120).
Almost surely, 2128833376 is an apocalyptic number.
128833376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
128833376 is an abundant number, since it is smaller than the sum of its proper divisors (176308384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128833376 is a wasteful number, since it uses less digits than its factorization.
128833376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30307 (or 30299 counting only the distinct ones).
The product of its digits is 145152, while the sum is 41.
The square root of 128833376 is about 11350.4791088306. The cubic root of 128833376 is about 505.0597922864.
Subtracting 128833376 from its reverse (673338821), we obtain a palindrome (544505445).
It can be divided in two parts, 12 and 8833376, that added together give a palindrome (8833388).
The spelling of 128833376 in words is "one hundred twenty-eight million, eight hundred thirty-three thousand, three hundred seventy-six".
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