Base | Representation |
---|---|
bin | 11001101100101… |
… | …011100011100101 |
3 | 1010001021100012111 |
4 | 121230223203211 |
5 | 1340333040031 |
6 | 110440521021 |
7 | 13453441042 |
oct | 3154534345 |
9 | 1101240174 |
10 | 431143141 |
11 | 201407250 |
12 | 100480171 |
13 | 6b4269b0 |
14 | 413901c9 |
15 | 27cb61b1 |
hex | 19b2b8e5 |
431143141 has 16 divisors (see below), whose sum is σ = 508169088. Its totient is φ = 360619200.
The previous prime is 431143127. The next prime is 431143187. The reversal of 431143141 is 141341134.
It is a happy number.
It is not a de Polignac number, because 431143141 - 29 = 431142629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431143121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40576 + ... + 50086.
It is an arithmetic number, because the mean of its divisors is an integer number (31760568).
Almost surely, 2431143141 is an apocalyptic number.
It is an amenable number.
431143141 is a deficient number, since it is larger than the sum of its proper divisors (77025947).
431143141 is a wasteful number, since it uses less digits than its factorization.
431143141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9852.
The product of its digits is 576, while the sum is 22.
The square root of 431143141 is about 20763.9866355187. The cubic root of 431143141 is about 755.4524960265.
Adding to 431143141 its reverse (141341134), we get a palindrome (572484275).
The spelling of 431143141 in words is "four hundred thirty-one million, one hundred forty-three thousand, one hundred forty-one".
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