Base | Representation |
---|---|
bin | 1111100001001… |
… | …00000101101000 |
3 | 100001221101101001 |
4 | 13300210011220 |
5 | 231310434430 |
6 | 20530004344 |
7 | 3140302663 |
oct | 760440550 |
9 | 301841331 |
10 | 130171240 |
11 | 67529641 |
12 | 377166b4 |
13 | 20c78704 |
14 | 134066da |
15 | b6643ca |
hex | 7c24168 |
130171240 has 16 divisors (see below), whose sum is σ = 292885380. Its totient is φ = 52068480.
The previous prime is 130171229. The next prime is 130171241. The reversal of 130171240 is 42171031.
It can be written as a sum of positive squares in 2 ways, for example, as 105390756 + 24780484 = 10266^2 + 4978^2 .
It is not an unprimeable number, because it can be changed into a prime (130171241) by changing a digit.
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, 1627101 + ... + 1627180.
Almost surely, 2130171240 is an apocalyptic number.
130171240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130171240 is an abundant number, since it is smaller than the sum of its proper divisors (162714140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130171240 is a wasteful number, since it uses less digits than its factorization.
130171240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3254292 (or 3254288 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 130171240 is about 11409.2611504865. The cubic root of 130171240 is about 506.8020317755.
The spelling of 130171240 in words is "one hundred thirty million, one hundred seventy-one thousand, two hundred forty".
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