Base | Representation |
---|---|
bin | 10000111110111… |
… | …01010011110010 |
3 | 100221001221012102 |
4 | 20133131103302 |
5 | 242432323432 |
6 | 22045300402 |
7 | 3346632434 |
oct | 1037352362 |
9 | 327057172 |
10 | 142464242 |
11 | 73465548 |
12 | 3b864702 |
13 | 23690b8b |
14 | 14cc6654 |
15 | c791962 |
hex | 87dd4f2 |
142464242 has 16 divisors (see below), whose sum is σ = 225234240. Its totient is φ = 67395888.
The previous prime is 142464241. The next prime is 142464247. The reversal of 142464242 is 242464241.
142464242 is digitally balanced in base 3, 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 (142464241) 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, 34808 + ... + 38684.
It is an arithmetic number, because the mean of its divisors is an integer number (14077140).
Almost surely, 2142464242 is an apocalyptic number.
142464242 is a deficient number, since it is larger than the sum of its proper divisors (82769998).
142464242 is a wasteful number, since it uses less digits than its factorization.
142464242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4865.
The product of its digits is 12288, while the sum is 29.
The square root of 142464242 is about 11935.8385545382. The cubic root of 142464242 is about 522.2782704258.
Subtracting 142464242 from its reverse (242464241), we obtain a palindrome (99999999).
The spelling of 142464242 in words is "one hundred forty-two million, four hundred sixty-four thousand, two hundred forty-two".
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