Base | Representation |
---|---|
bin | 10000111100011… |
… | …00110100010100 |
3 | 100220110011221112 |
4 | 20132030310110 |
5 | 242341301143 |
6 | 22034234152 |
7 | 3344060303 |
oct | 1036146424 |
9 | 326404845 |
10 | 142134548 |
11 | 7325a876 |
12 | 3b725958 |
13 | 235a6aaa |
14 | 14c3c43a |
15 | c728e18 |
hex | 878cd14 |
142134548 has 12 divisors (see below), whose sum is σ = 248854452. Its totient is φ = 71033280.
The previous prime is 142134547. The next prime is 142134557. The reversal of 142134548 is 845431241.
It can be written as a sum of positive squares in 2 ways, for example, as 18079504 + 124055044 = 4252^2 + 11138^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142134547) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2486 + ... + 17042.
It is an arithmetic number, because the mean of its divisors is an integer number (20737871).
Almost surely, 2142134548 is an apocalyptic number.
It is an amenable number.
142134548 is a deficient number, since it is larger than the sum of its proper divisors (106719904).
142134548 is a wasteful number, since it uses less digits than its factorization.
142134548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17002 (or 17000 counting only the distinct ones).
The product of its digits is 15360, while the sum is 32.
The square root of 142134548 is about 11922.0194598063. The cubic root of 142134548 is about 521.8750698029.
Adding to 142134548 its reverse (845431241), we get a palindrome (987565789).
The spelling of 142134548 in words is "one hundred forty-two million, one hundred thirty-four thousand, five hundred forty-eight".
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