Base | Representation |
---|---|
bin | 10001000001101… |
… | …00111001101111 |
3 | 100221202011100121 |
4 | 20200310321233 |
5 | 243030314043 |
6 | 22101105411 |
7 | 3352655440 |
oct | 1040647157 |
9 | 327664317 |
10 | 142823023 |
11 | 73690062 |
12 | 3b9b8267 |
13 | 23788285 |
14 | 14d7b2c7 |
15 | c812ded |
hex | 8834e6f |
142823023 has 6 divisors (see below), whose sum is σ = 163262456. Its totient is φ = 122392632.
The previous prime is 142823003. The next prime is 142823033. The reversal of 142823023 is 320328241.
142823023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142823023 - 25 = 142822991 is a prime.
It is a super-3 number, since 3×1428230233 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142823003) 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, 29361 + ... + 33877.
Almost surely, 2142823023 is an apocalyptic number.
142823023 is a deficient number, since it is larger than the sum of its proper divisors (20439433).
142823023 is an frugal number, since it uses more digits than its factorization.
142823023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9041 (or 4524 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 142823023 is about 11950.8586720788. The cubic root of 142823023 is about 522.7163369316.
The spelling of 142823023 in words is "one hundred forty-two million, eight hundred twenty-three thousand, twenty-three".
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