Base | Representation |
---|---|
bin | 10000111011101… |
… | …00010001100111 |
3 | 100220021002001101 |
4 | 20131310101213 |
5 | 242330042043 |
6 | 22032140531 |
7 | 3343161235 |
oct | 1035642147 |
9 | 326232041 |
10 | 142034023 |
11 | 731a129a |
12 | 3b697747 |
13 | 23570101 |
14 | 14c13955 |
15 | c70924d |
hex | 8774467 |
142034023 has 4 divisors (see below), whose sum is σ = 142081240. Its totient is φ = 141986808.
The previous prime is 142034003. The next prime is 142034029. The reversal of 142034023 is 320430241.
142034023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320430241 = 79 ⋅4056079.
It is a cyclic number.
It is not a de Polignac number, because 142034023 - 221 = 139936871 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 (142034029) 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, 18765 + ... + 25222.
It is an arithmetic number, because the mean of its divisors is an integer number (35520310).
Almost surely, 2142034023 is an apocalyptic number.
142034023 is a deficient number, since it is larger than the sum of its proper divisors (47217).
142034023 is an equidigital number, since it uses as much as digits as its factorization.
142034023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47216.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 142034023 is about 11917.8027756798. The cubic root of 142034023 is about 521.7520083215.
Adding to 142034023 its reverse (320430241), we get a palindrome (462464264).
The spelling of 142034023 in words is "one hundred forty-two million, thirty-four thousand, twenty-three".
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