Base | Representation |
---|---|
bin | 10001000000111… |
… | …10100000110010 |
3 | 100221120111112222 |
4 | 20200132200302 |
5 | 243014400224 |
6 | 22055121042 |
7 | 3352124165 |
oct | 1040364062 |
9 | 327514488 |
10 | 142731314 |
11 | 73628170 |
12 | 3b973182 |
13 | 237555cb |
14 | 14d55adc |
15 | c7e5b5e |
hex | 881e832 |
142731314 has 16 divisors (see below), whose sum is σ = 234234720. Its totient is φ = 64690560.
The previous prime is 142731313. The next prime is 142731331. The reversal of 142731314 is 413137241.
It is not an unprimeable number, because it can be changed into a prime (142731313) 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, 1424 + ... + 16955.
It is an arithmetic number, because the mean of its divisors is an integer number (14639670).
Almost surely, 2142731314 is an apocalyptic number.
142731314 is a deficient number, since it is larger than the sum of its proper divisors (91503406).
142731314 is a wasteful number, since it uses less digits than its factorization.
142731314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18745.
The product of its digits is 2016, while the sum is 26.
The square root of 142731314 is about 11947.0211349943. The cubic root of 142731314 is about 522.6044314051.
Adding to 142731314 its reverse (413137241), we get a palindrome (555868555).
The spelling of 142731314 in words is "one hundred forty-two million, seven hundred thirty-one thousand, three hundred fourteen".
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