Base | Representation |
---|---|
bin | 10000111111011… |
… | …10001001011010 |
3 | 100221012102210210 |
4 | 20133232021122 |
5 | 242442030320 |
6 | 22050551550 |
7 | 3350340501 |
oct | 1037561132 |
9 | 327172723 |
10 | 142533210 |
11 | 73502346 |
12 | 3b8985b6 |
13 | 236b63a1 |
14 | 14d03838 |
15 | c7a70e0 |
hex | 87ee25a |
142533210 has 64 divisors (see below), whose sum is σ = 352905984. Its totient is φ = 36825600.
The previous prime is 142533199. The next prime is 142533217. The reversal of 142533210 is 12335241.
142533210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a fibodiv number, since the Fibonacci-like sequence with seeds 1425 and 33210 contains 142533210 itself.
It is not an unprimeable number, because it can be changed into a prime (142533217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129382 + ... + 130478.
It is an arithmetic number, because the mean of its divisors is an integer number (5514156).
Almost surely, 2142533210 is an apocalyptic number.
142533210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142533210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176452992).
142533210 is an abundant number, since it is smaller than the sum of its proper divisors (210372774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142533210 is a wasteful number, since it uses less digits than its factorization.
142533210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1239.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 142533210 is about 11938.7273191073. The cubic root of 142533210 is about 522.3625364288.
Adding to 142533210 its reverse (12335241), we get a palindrome (154868451).
The spelling of 142533210 in words is "one hundred forty-two million, five hundred thirty-three thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •