Base | Representation |
---|---|
bin | 111110000111000… |
… | …010001100111111 |
3 | 2200121202200101102 |
4 | 332013002030333 |
5 | 4113230001143 |
6 | 251222203315 |
7 | 34552056326 |
oct | 7607021477 |
9 | 2617680342 |
10 | 1042031423 |
11 | 4952216a4 |
12 | 250b8353b |
13 | 137b65554 |
14 | 9c56d0bd |
15 | 617350b8 |
hex | 3e1c233f |
1042031423 has 4 divisors (see below), whose sum is σ = 1042172448. Its totient is φ = 1041890400.
The previous prime is 1042031411. The next prime is 1042031477. The reversal of 1042031423 is 3241302401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241302401 = 2503 ⋅1294967.
It is a cyclic number.
It is not a de Polignac number, because 1042031423 - 218 = 1041769279 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1042031395 and 1042031404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042039423) 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, 58778 + ... + 74423.
It is an arithmetic number, because the mean of its divisors is an integer number (260543112).
Almost surely, 21042031423 is an apocalyptic number.
1042031423 is a deficient number, since it is larger than the sum of its proper divisors (141025).
1042031423 is an equidigital number, since it uses as much as digits as its factorization.
1042031423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141024.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1042031423 is about 32280.5115046215. The cubic root of 1042031423 is about 1013.8186399448.
Adding to 1042031423 its reverse (3241302401), we get a palindrome (4283333824).
The spelling of 1042031423 in words is "one billion, forty-two million, thirty-one thousand, four hundred twenty-three".
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