Base | Representation |
---|---|
bin | 111101011110101… |
… | …001001100101001 |
3 | 2122212211202010112 |
4 | 331132221030221 |
5 | 4103022140431 |
6 | 250203224105 |
7 | 34363060103 |
oct | 7536511451 |
9 | 2585752115 |
10 | 1031443241 |
11 | 48a24a634 |
12 | 249518035 |
13 | 1358c905a |
14 | 9adb4573 |
15 | 60842c2b |
hex | 3d7a9329 |
1031443241 has 4 divisors (see below), whose sum is σ = 1043870352. Its totient is φ = 1019016132.
The previous prime is 1031443201. The next prime is 1031443267. The reversal of 1031443241 is 1423441301.
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: 1423441301 = 769 ⋅1851029.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1031443241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1031443201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6213431 + ... + 6213596.
It is an arithmetic number, because the mean of its divisors is an integer number (260967588).
Almost surely, 21031443241 is an apocalyptic number.
It is an amenable number.
1031443241 is a deficient number, since it is larger than the sum of its proper divisors (12427111).
1031443241 is an equidigital number, since it uses as much as digits as its factorization.
1031443241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12427110.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 1031443241 is about 32116.0900640162. The cubic root of 1031443241 is about 1010.3731069325.
Adding to 1031443241 its reverse (1423441301), we get a palindrome (2454884542).
The spelling of 1031443241 in words is "one billion, thirty-one million, four hundred forty-three thousand, two hundred forty-one".
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