Base | Representation |
---|---|
bin | 111110000111110… |
… | …011001111100011 |
3 | 2200122010212220222 |
4 | 332013303033203 |
5 | 4113302413131 |
6 | 251230353255 |
7 | 34553554052 |
oct | 7607631743 |
9 | 2618125828 |
10 | 1042232291 |
11 | 495349601 |
12 | 25105b82b |
13 | 137c05ac9 |
14 | 9c5c2399 |
15 | 6177487b |
hex | 3e1f33e3 |
1042232291 has 2 divisors, whose sum is σ = 1042232292. Its totient is φ = 1042232290.
The previous prime is 1042232207. The next prime is 1042232309. The reversal of 1042232291 is 1922322401.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1042232291 - 214 = 1042215907 is a prime.
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 1042232291.
It is not a weakly prime, because it can be changed into another prime (1042232491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521116145 + 521116146.
It is an arithmetic number, because the mean of its divisors is an integer number (521116146).
Almost surely, 21042232291 is an apocalyptic number.
1042232291 is a deficient number, since it is larger than the sum of its proper divisors (1).
1042232291 is an equidigital number, since it uses as much as digits as its factorization.
1042232291 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 1042232291 is about 32283.6226436873. The cubic root of 1042232291 is about 1013.8837789398.
Adding to 1042232291 its reverse (1922322401), we get a palindrome (2964554692).
The spelling of 1042232291 in words is "one billion, forty-two million, two hundred thirty-two thousand, two hundred ninety-one".
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