Base | Representation |
---|---|
bin | 1111000110111… |
… | …00001010100010 |
3 | 22211110121010120 |
4 | 13203130022202 |
5 | 224420342124 |
6 | 20324141110 |
7 | 3066123612 |
oct | 743341242 |
9 | 284417116 |
10 | 126730914 |
11 | 655998a2 |
12 | 36537796 |
13 | 2034280b |
14 | 12b8ca42 |
15 | b1d4d79 |
hex | 78dc2a2 |
126730914 has 32 divisors (see below), whose sum is σ = 262279680. Its totient is φ = 40823280.
The previous prime is 126730913. The next prime is 126730979. The reversal of 126730914 is 419037621.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (126730913) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 178392 + ... + 179100.
It is an arithmetic number, because the mean of its divisors is an integer number (8196240).
Almost surely, 2126730914 is an apocalyptic number.
126730914 is an abundant number, since it is smaller than the sum of its proper divisors (135548766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126730914 is an frugal number, since it uses more digits than its factorization.
126730914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 807 (or 745 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 126730914 is about 11257.4825782677. The cubic root of 126730914 is about 502.2973138654.
It can be divided in two parts, 12673091 and 4, that added together give a triangular number (12673095 = T5034).
The spelling of 126730914 in words is "one hundred twenty-six million, seven hundred thirty thousand, nine hundred fourteen".
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