Base | Representation |
---|---|
bin | 10000111110101… |
… | …11101010101010 |
3 | 100221000202111102 |
4 | 20133113222222 |
5 | 242431104010 |
6 | 22045001402 |
7 | 3346505156 |
oct | 1037275252 |
9 | 327022442 |
10 | 142441130 |
11 | 7344a147 |
12 | 3b853262 |
13 | 236834c0 |
14 | 14cbc066 |
15 | c789ba5 |
hex | 87d7aaa |
142441130 has 32 divisors (see below), whose sum is σ = 292363344. Its totient is φ = 49499136.
The previous prime is 142441109. The next prime is 142441171. The reversal of 142441130 is 31144241.
It can be written as a sum of positive squares in 8 ways, for example, as 11498881 + 130942249 = 3391^2 + 11443^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30017 + ... + 34436.
Almost surely, 2142441130 is an apocalyptic number.
142441130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142441130 is an abundant number, since it is smaller than the sum of its proper divisors (149922214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142441130 is a wasteful number, since it uses less digits than its factorization.
142441130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64490.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 142441130 is about 11934.8703386338. The cubic root of 142441130 is about 522.2500257987.
Adding to 142441130 its reverse (31144241), we get a palindrome (173585371).
The spelling of 142441130 in words is "one hundred forty-two million, four hundred forty-one thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •