Base | Representation |
---|---|
bin | 1111110000111… |
… | …01111011000100 |
3 | 100012211122111002 |
4 | 13320131323010 |
5 | 232323240030 |
6 | 21042232432 |
7 | 3164022341 |
oct | 770357304 |
9 | 305748432 |
10 | 132243140 |
11 | 68714257 |
12 | 38355718 |
13 | 215227a3 |
14 | 137c57c8 |
15 | b923245 |
hex | 7e1dec4 |
132243140 has 24 divisors (see below), whose sum is σ = 277928280. Its totient is φ = 52855808.
The previous prime is 132243127. The next prime is 132243191. The reversal of 132243140 is 41342231.
It can be written as a sum of positive squares in 4 ways, for example, as 61716736 + 70526404 = 7856^2 + 8398^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44006 + ... + 46914.
It is an arithmetic number, because the mean of its divisors is an integer number (11580345).
Almost surely, 2132243140 is an apocalyptic number.
132243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
132243140 is an abundant number, since it is smaller than the sum of its proper divisors (145685140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132243140 is a wasteful number, since it uses less digits than its factorization.
132243140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5191 (or 5189 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 132243140 is about 11499.7017352625. The cubic root of 132243140 is about 509.4767669754.
Adding to 132243140 its reverse (41342231), we get a palindrome (173585371).
Subtracting from 132243140 its reverse (41342231), we obtain a palindrome (90900909).
The spelling of 132243140 in words is "one hundred thirty-two million, two hundred forty-three thousand, one hundred forty".
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