Base | Representation |
---|---|
bin | 11001101101010… |
… | …101000011110101 |
3 | 1010001120222101210 |
4 | 121231111003311 |
5 | 1340404010031 |
6 | 110444312033 |
7 | 13455046500 |
oct | 3155250365 |
9 | 1101528353 |
10 | 431313141 |
11 | 201512a46 |
12 | 100542619 |
13 | 6b48619c |
14 | 413d6137 |
15 | 27ceb746 |
hex | 19b550f5 |
431313141 has 12 divisors (see below), whose sum is σ = 668975712. Its totient is φ = 246464568.
The previous prime is 431313139. The next prime is 431313151. The reversal of 431313141 is 141313134.
It is not a de Polignac number, because 431313141 - 21 = 431313139 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431313101) 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, 1466905 + ... + 1467198.
It is an arithmetic number, because the mean of its divisors is an integer number (55747976).
Almost surely, 2431313141 is an apocalyptic number.
It is an amenable number.
431313141 is a deficient number, since it is larger than the sum of its proper divisors (237662571).
431313141 is a wasteful number, since it uses less digits than its factorization.
431313141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2934120 (or 2934113 counting only the distinct ones).
The product of its digits is 432, while the sum is 21.
The square root of 431313141 is about 20768.0798582825. The cubic root of 431313141 is about 755.5517747704.
Adding to 431313141 its reverse (141313134), we get a palindrome (572626275).
The spelling of 431313141 in words is "four hundred thirty-one million, three hundred thirteen thousand, one hundred forty-one".
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