Base | Representation |
---|---|
bin | 10000111110100… |
… | …11110101100001 |
3 | 100220222221222100 |
4 | 20133103311201 |
5 | 242430103231 |
6 | 22044401013 |
7 | 3346411344 |
oct | 1037236541 |
9 | 326887870 |
10 | 142425441 |
11 | 73439384 |
12 | 3b846169 |
13 | 23679312 |
14 | 14cb645b |
15 | c7851e6 |
hex | 87d3d61 |
142425441 has 6 divisors (see below), whose sum is σ = 205725650. Its totient is φ = 94950288.
The previous prime is 142425403. The next prime is 142425443. The reversal of 142425441 is 144524241.
It can be written as a sum of positive squares in only one way, i.e., 86490000 + 55935441 = 9300^2 + 7479^2 .
It is not a de Polignac number, because 142425441 - 210 = 142424417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142425443) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7912516 + ... + 7912533.
Almost surely, 2142425441 is an apocalyptic number.
It is an amenable number.
142425441 is a deficient number, since it is larger than the sum of its proper divisors (63300209).
142425441 is a wasteful number, since it uses less digits than its factorization.
142425441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15825055 (or 15825052 counting only the distinct ones).
The product of its digits is 5120, while the sum is 27.
The square root of 142425441 is about 11934.2130448555. The cubic root of 142425441 is about 522.2308509028.
Adding to 142425441 its reverse (144524241), we get a palindrome (286949682).
It can be divided in two parts, 14242 and 5441, that added together give a 9-th power (19683 = 39).
The spelling of 142425441 in words is "one hundred forty-two million, four hundred twenty-five thousand, four hundred forty-one".
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