Base | Representation |
---|---|
bin | 10000111101001… |
… | …00001011101101 |
3 | 100220122001020011 |
4 | 20132210023231 |
5 | 242402332003 |
6 | 22040253221 |
7 | 3344636314 |
oct | 1036441355 |
9 | 326561204 |
10 | 142230253 |
11 | 73315770 |
12 | 3b771211 |
13 | 2360b519 |
14 | 14c6527b |
15 | c74746d |
hex | 87a42ed |
142230253 has 16 divisors (see below), whose sum is σ = 158163840. Its totient is φ = 126817600.
The previous prime is 142230203. The next prime is 142230259. The reversal of 142230253 is 352032241.
142230253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 142230253 - 29 = 142229741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142230259) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209751 + ... + 210427.
It is an arithmetic number, because the mean of its divisors is an integer number (9885240).
Almost surely, 2142230253 is an apocalyptic number.
It is an amenable number.
142230253 is a deficient number, since it is larger than the sum of its proper divisors (15933587).
142230253 is a wasteful number, since it uses less digits than its factorization.
142230253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1028.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 142230253 is about 11926.0325758401. The cubic root of 142230253 is about 521.9921767934.
Adding to 142230253 its reverse (352032241), we get a palindrome (494262494).
The spelling of 142230253 in words is "one hundred forty-two million, two hundred thirty thousand, two hundred fifty-three".
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