Base | Representation |
---|---|
bin | 1111110000000… |
… | …10101001110010 |
3 | 100012121222021010 |
4 | 13320002221302 |
5 | 232311201232 |
6 | 21040011350 |
7 | 3163045602 |
oct | 770025162 |
9 | 305558233 |
10 | 132131442 |
11 | 68648343 |
12 | 38300b56 |
13 | 214b39b1 |
14 | 13796c02 |
15 | b9000cc |
hex | 7e02a72 |
132131442 has 16 divisors (see below), whose sum is σ = 264604032. Its totient is φ = 43986960.
The previous prime is 132131407. The next prime is 132131443. The reversal of 132131442 is 244131231.
132131442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (132131443) 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 7 ways as a sum of consecutive naturals, for example, 9034 + ... + 18597.
It is an arithmetic number, because the mean of its divisors is an integer number (16537752).
Almost surely, 2132131442 is an apocalyptic number.
132131442 is an abundant number, since it is smaller than the sum of its proper divisors (132472590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132131442 is a wasteful number, since it uses less digits than its factorization.
132131442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28433.
The product of its digits is 576, while the sum is 21.
The square root of 132131442 is about 11494.8441485737. The cubic root of 132131442 is about 509.3332848873. Note that the first 3 decimals are identical.
Adding to 132131442 its reverse (244131231), we get a palindrome (376262673).
The spelling of 132131442 in words is "one hundred thirty-two million, one hundred thirty-one thousand, four hundred forty-two".
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