Base | Representation |
---|---|
bin | 1111101010000… |
… | …01101110111010 |
3 | 100011010211022110 |
4 | 13311001232322 |
5 | 232110404432 |
6 | 21011033150 |
7 | 3153245034 |
oct | 765015672 |
9 | 304124273 |
10 | 131341242 |
11 | 6815868a |
12 | 37b9b7b6 |
13 | 21298116 |
14 | 1362cc54 |
15 | b7e5dcc |
hex | 7d41bba |
131341242 has 16 divisors (see below), whose sum is σ = 262991232. Its totient is φ = 43728960.
The previous prime is 131341229. The next prime is 131341271. The reversal of 131341242 is 242143131.
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, 7138 + ... + 17709.
It is an arithmetic number, because the mean of its divisors is an integer number (16436952).
Almost surely, 2131341242 is an apocalyptic number.
131341242 is an abundant number, since it is smaller than the sum of its proper divisors (131649990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131341242 is a wasteful number, since it uses less digits than its factorization.
131341242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25733.
The product of its digits is 576, while the sum is 21.
The square root of 131341242 is about 11460.4206729073. The cubic root of 131341242 is about 508.3159137152.
Adding to 131341242 its reverse (242143131), we get a palindrome (373484373).
The spelling of 131341242 in words is "one hundred thirty-one million, three hundred forty-one thousand, two hundred forty-two".
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