Base | Representation |
---|---|
bin | 10000111101001… |
… | …00001100011101 |
3 | 100220122001021221 |
4 | 20132210030131 |
5 | 242402332201 |
6 | 22040253341 |
7 | 3344636413 |
oct | 1036441435 |
9 | 326561257 |
10 | 142230301 |
11 | 73315804 |
12 | 3b771251 |
13 | 2360b555 |
14 | 14c652b3 |
15 | c7474a1 |
hex | 87a431d |
142230301 has 2 divisors, whose sum is σ = 142230302. Its totient is φ = 142230300.
The previous prime is 142230299. The next prime is 142230307. The reversal of 142230301 is 103032241.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 74563225 + 67667076 = 8635^2 + 8226^2 .
It is a cyclic number.
It is not a de Polignac number, because 142230301 - 21 = 142230299 is a prime.
Together with 142230299, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142230307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71115150 + 71115151.
It is an arithmetic number, because the mean of its divisors is an integer number (71115151).
Almost surely, 2142230301 is an apocalyptic number.
It is an amenable number.
142230301 is a deficient number, since it is larger than the sum of its proper divisors (1).
142230301 is an equidigital number, since it uses as much as digits as its factorization.
142230301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 142230301 is about 11926.0345882443. The cubic root of 142230301 is about 521.9922355142.
Adding to 142230301 its reverse (103032241), we get a palindrome (245262542).
The spelling of 142230301 in words is "one hundred forty-two million, two hundred thirty thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •