Base | Representation |
---|---|
bin | 10001000100000… |
… | …10011001001110 |
3 | 100222100021202102 |
4 | 20202002121032 |
5 | 243120443210 |
6 | 22111555102 |
7 | 3355450016 |
oct | 1042023116 |
9 | 328307672 |
10 | 143140430 |
11 | 73887584 |
12 | 3bb2ba92 |
13 | 238698a4 |
14 | 15020c46 |
15 | c876ea5 |
hex | 888264e |
143140430 has 32 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 55399680.
The previous prime is 143140409. The next prime is 143140447. The reversal of 143140430 is 34041341.
It is a happy number.
It is a congruent number.
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, 50696 + ... + 53444.
It is an arithmetic number, because the mean of its divisors is an integer number (8316000).
Almost surely, 2143140430 is an apocalyptic number.
143140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143140430 is a deficient number, since it is larger than the sum of its proper divisors (122971570).
143140430 is a wasteful number, since it uses less digits than its factorization.
143140430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2924.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 143140430 is about 11964.1309755452. The cubic root of 143140430 is about 523.1032751729.
Adding to 143140430 its reverse (34041341), we get a palindrome (177181771).
The spelling of 143140430 in words is "one hundred forty-three million, one hundred forty thousand, four hundred thirty".
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