Base | Representation |
---|---|
bin | 10000101101110… |
… | …11110110100101 |
3 | 100202212102110200 |
4 | 20112323312211 |
5 | 241344330203 |
6 | 21525341113 |
7 | 3321635655 |
oct | 1026736645 |
9 | 322772420 |
10 | 140230053 |
11 | 72179a07 |
12 | 3ab67799 |
13 | 2308ac82 |
14 | 148a4365 |
15 | c49e9a3 |
hex | 85bbda5 |
140230053 has 12 divisors (see below), whose sum is σ = 202802028. Its totient is φ = 93372480.
The previous prime is 140230043. The next prime is 140230061. The reversal of 140230053 is 350032041.
It can be written as a sum of positive squares in 2 ways, for example, as 131744484 + 8485569 = 11478^2 + 2913^2 .
It is not a de Polignac number, because 140230053 - 28 = 140229797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140230043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378 + ... + 16803.
It is an arithmetic number, because the mean of its divisors is an integer number (16900169).
Almost surely, 2140230053 is an apocalyptic number.
It is an amenable number.
140230053 is a deficient number, since it is larger than the sum of its proper divisors (62571975).
140230053 is a wasteful number, since it uses less digits than its factorization.
140230053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19044 (or 19041 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 140230053 is about 11841.8770893807. The cubic root of 140230053 is about 519.5336709313.
Adding to 140230053 its reverse (350032041), we get a palindrome (490262094).
The spelling of 140230053 in words is "one hundred forty million, two hundred thirty thousand, fifty-three".
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