Base | Representation |
---|---|
bin | 10001000000111… |
… | …10100011011011 |
3 | 100221120111210020 |
4 | 20200132203123 |
5 | 243014401413 |
6 | 22055121523 |
7 | 3352124526 |
oct | 1040364333 |
9 | 327514706 |
10 | 142731483 |
11 | 73628304 |
12 | 3b9732a3 |
13 | 237556cb |
14 | 14d55bbd |
15 | c7e5c23 |
hex | 881e8db |
142731483 has 8 divisors (see below), whose sum is σ = 192193296. Its totient is φ = 94212000.
The previous prime is 142731481. The next prime is 142731493. The reversal of 142731483 is 384137241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142731483 - 21 = 142731481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142731481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235228 + ... + 235833.
It is an arithmetic number, because the mean of its divisors is an integer number (24024162).
Almost surely, 2142731483 is an apocalyptic number.
142731483 is a deficient number, since it is larger than the sum of its proper divisors (49461813).
142731483 is a wasteful number, since it uses less digits than its factorization.
142731483 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471165.
The product of its digits is 16128, while the sum is 33.
The square root of 142731483 is about 11947.0282078850. The cubic root of 142731483 is about 522.6046376670.
The spelling of 142731483 in words is "one hundred forty-two million, seven hundred thirty-one thousand, four hundred eighty-three".
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