Base | Representation |
---|---|
bin | 10000111111010… |
… | …00100101101010 |
3 | 100221011021120112 |
4 | 20133220211222 |
5 | 242440313232 |
6 | 22050254322 |
7 | 3350214224 |
oct | 1037504552 |
9 | 327137515 |
10 | 142510442 |
11 | 73497228 |
12 | 3b8873a2 |
13 | 236a8c09 |
14 | 14cd9414 |
15 | c7a04b2 |
hex | 87e896a |
142510442 has 16 divisors (see below), whose sum is σ = 215464320. Its totient is φ = 70691712.
The previous prime is 142510427. The next prime is 142510447. The reversal of 142510442 is 244015241.
142510442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (142510447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211418 + ... + 212090.
It is an arithmetic number, because the mean of its divisors is an integer number (13466520).
Almost surely, 2142510442 is an apocalyptic number.
142510442 is a deficient number, since it is larger than the sum of its proper divisors (72953878).
142510442 is a wasteful number, since it uses less digits than its factorization.
142510442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1357.
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 142510442 is about 11937.7737455524. The cubic root of 142510442 is about 522.3347211953.
Adding to 142510442 its reverse (244015241), we get a palindrome (386525683).
The spelling of 142510442 in words is "one hundred forty-two million, five hundred ten thousand, four hundred forty-two".
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