Base | Representation |
---|---|
bin | 10000111111010… |
… | …11111111111101 |
3 | 100221011222201222 |
4 | 20133223333331 |
5 | 242441240123 |
6 | 22050443125 |
7 | 3350303033 |
oct | 1037537775 |
9 | 327158658 |
10 | 142524413 |
11 | 734a6779 |
12 | 3b8934a5 |
13 | 236b2395 |
14 | 14d00553 |
15 | c7a46c8 |
hex | 87ebffd |
142524413 has 4 divisors (see below), whose sum is σ = 150908220. Its totient is φ = 134140608.
The previous prime is 142524401. The next prime is 142524439. The reversal of 142524413 is 314425241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314425241 = 13 ⋅24186557.
It can be written as a sum of positive squares in 2 ways, for example, as 45738169 + 96786244 = 6763^2 + 9838^2 .
It is not a de Polignac number, because 142524413 - 28 = 142524157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142524113) 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, 4191878 + ... + 4191911.
It is an arithmetic number, because the mean of its divisors is an integer number (37727055).
Almost surely, 2142524413 is an apocalyptic number.
It is an amenable number.
142524413 is a deficient number, since it is larger than the sum of its proper divisors (8383807).
142524413 is an equidigital number, since it uses as much as digits as its factorization.
142524413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8383806.
The product of its digits is 3840, while the sum is 26.
The square root of 142524413 is about 11938.3588905678. The cubic root of 142524413 is about 522.3517896520.
Adding to 142524413 its reverse (314425241), we get a palindrome (456949654).
The spelling of 142524413 in words is "one hundred forty-two million, five hundred twenty-four thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •