Base | Representation |
---|---|
bin | 101010111110111… |
… | …1111000010010110 |
3 | 10201111222001120122 |
4 | 1111331333002112 |
5 | 10423212443332 |
6 | 355041431542 |
7 | 50512311152 |
oct | 12575770226 |
9 | 3644861518 |
10 | 1442312342 |
11 | 680169679 |
12 | 34303b5b2 |
13 | 19ca74973 |
14 | d97a8062 |
15 | 86951c12 |
hex | 55f7f096 |
1442312342 has 4 divisors (see below), whose sum is σ = 2163468516. Its totient is φ = 721156170.
The previous prime is 1442312341. The next prime is 1442312383. The reversal of 1442312342 is 2432132441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2432132441 = 5441 ⋅447001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442312341) 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, 360578084 + ... + 360578087.
It is an arithmetic number, because the mean of its divisors is an integer number (540867129).
Almost surely, 21442312342 is an apocalyptic number.
1442312342 is a deficient number, since it is larger than the sum of its proper divisors (721156174).
1442312342 is an equidigital number, since it uses as much as digits as its factorization.
1442312342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721156173.
The product of its digits is 4608, while the sum is 26.
The square root of 1442312342 is about 37977.7874816319. The cubic root of 1442312342 is about 1129.8473550565.
Adding to 1442312342 its reverse (2432132441), we get a palindrome (3874444783).
The spelling of 1442312342 in words is "one billion, four hundred forty-two million, three hundred twelve thousand, three hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •