Base | Representation |
---|---|
bin | 1111101010110… |
… | …00001100011001 |
3 | 100011022111111211 |
4 | 13311120030121 |
5 | 232121330431 |
6 | 21013023121 |
7 | 3154110202 |
oct | 765301431 |
9 | 304274454 |
10 | 131433241 |
11 | 68210815 |
12 | 38024aa1 |
13 | 212cac64 |
14 | 136545a9 |
15 | b8132b1 |
hex | 7d58319 |
131433241 has 12 divisors (see below), whose sum is σ = 141957552. Its totient is φ = 121605624.
The previous prime is 131433233. The next prime is 131433251. The reversal of 131433241 is 142334131.
It is not a de Polignac number, because 131433241 - 23 = 131433233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131433221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11290 + ... + 19756.
It is an arithmetic number, because the mean of its divisors is an integer number (11829796).
Almost surely, 2131433241 is an apocalyptic number.
It is an amenable number.
131433241 is a deficient number, since it is larger than the sum of its proper divisors (10524311).
131433241 is an equidigital number, since it uses as much as digits as its factorization.
131433241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8548 (or 8529 counting only the distinct ones).
The product of its digits is 864, while the sum is 22.
The square root of 131433241 is about 11464.4337409224. The cubic root of 131433241 is about 508.4345706337.
Adding to 131433241 its reverse (142334131), we get a palindrome (273767372).
It can be divided in two parts, 13143 and 3241, that added together give a 14-th power (16384 = 214).
The spelling of 131433241 in words is "one hundred thirty-one million, four hundred thirty-three thousand, two hundred forty-one".
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