Base | Representation |
---|---|
bin | 101010111110101… |
… | …1000011011110101 |
3 | 10201111200000200121 |
4 | 1111331120123311 |
5 | 10423142413404 |
6 | 355034211541 |
7 | 50511052165 |
oct | 12575303365 |
9 | 3644600617 |
10 | 1442154229 |
11 | 6800708aa |
12 | 342b83bb1 |
13 | 19ca1a9c9 |
14 | d97665a5 |
15 | 8691ee54 |
hex | 55f586f5 |
1442154229 has 2 divisors, whose sum is σ = 1442154230. Its totient is φ = 1442154228.
The previous prime is 1442154227. The next prime is 1442154269. The reversal of 1442154229 is 9224512441.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1176627204 + 265527025 = 34302^2 + 16295^2 .
It is a cyclic number.
It is not a de Polignac number, because 1442154229 - 21 = 1442154227 is a prime.
Together with 1442154227, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1442154194 and 1442154203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1442154227) 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, 721077114 + 721077115.
It is an arithmetic number, because the mean of its divisors is an integer number (721077115).
Almost surely, 21442154229 is an apocalyptic number.
It is an amenable number.
1442154229 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442154229 is an equidigital number, since it uses as much as digits as its factorization.
1442154229 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 23040, while the sum is 34.
The square root of 1442154229 is about 37975.7057735600. The cubic root of 1442154229 is about 1129.8060671704.
The spelling of 1442154229 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, two hundred twenty-nine".
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