Base | Representation |
---|---|
bin | 10000111101110… |
… | …11010110001011 |
3 | 100220210212101011 |
4 | 20132323112023 |
5 | 242413401011 |
6 | 22042304351 |
7 | 3345513034 |
oct | 1036732613 |
9 | 326725334 |
10 | 142325131 |
11 | 7337aa83 |
12 | 3b7b80b7 |
13 | 23642770 |
14 | 14c8ba8b |
15 | c765621 |
hex | 87bb58b |
142325131 has 8 divisors (see below), whose sum is σ = 153380304. Its totient is φ = 131285280.
The previous prime is 142325129. The next prime is 142325147. The reversal of 142325131 is 131523241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142325131 - 21 = 142325129 is a prime.
It is a super-2 number, since 2×1423251312 = 40512885828334322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142325171) 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, 21921 + ... + 27661.
It is an arithmetic number, because the mean of its divisors is an integer number (19172538).
Almost surely, 2142325131 is an apocalyptic number.
142325131 is a deficient number, since it is larger than the sum of its proper divisors (11055173).
142325131 is a wasteful number, since it uses less digits than its factorization.
142325131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7661.
The product of its digits is 720, while the sum is 22.
The square root of 142325131 is about 11930.0096814713. The cubic root of 142325131 is about 522.1082200036.
Adding to 142325131 its reverse (131523241), we get a palindrome (273848372).
The spelling of 142325131 in words is "one hundred forty-two million, three hundred twenty-five thousand, one hundred thirty-one".
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