Base | Representation |
---|---|
bin | 10000111110000… |
… | …00011100111001 |
3 | 100220211221001121 |
4 | 20133000130321 |
5 | 242420033131 |
6 | 22042545241 |
7 | 3345631015 |
oct | 1037003471 |
9 | 326757047 |
10 | 142346041 |
11 | 73394762 |
12 | 3b808221 |
13 | 2364c136 |
14 | 14c95545 |
15 | c76b911 |
hex | 87c0739 |
142346041 has 4 divisors (see below), whose sum is σ = 143432784. Its totient is φ = 141259300.
The previous prime is 142346023. The next prime is 142346047. The reversal of 142346041 is 140643241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140643241 = 137 ⋅1026593.
It is a cyclic number.
It is not a de Polignac number, because 142346041 - 29 = 142345529 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142345997 and 142346015.
It is not an unprimeable number, because it can be changed into a prime (142346047) 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 3 ways as a sum of consecutive naturals, for example, 543175 + ... + 543436.
It is an arithmetic number, because the mean of its divisors is an integer number (35858196).
Almost surely, 2142346041 is an apocalyptic number.
It is an amenable number.
142346041 is a deficient number, since it is larger than the sum of its proper divisors (1086743).
142346041 is a wasteful number, since it uses less digits than its factorization.
142346041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1086742.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 142346041 is about 11930.8860106867. The cubic root of 142346041 is about 522.1337876323.
Adding to 142346041 its reverse (140643241), we get a palindrome (282989282).
The spelling of 142346041 in words is "one hundred forty-two million, three hundred forty-six thousand, forty-one".
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