Base | Representation |
---|---|
bin | 1010000001101… |
… | …1010101101111 |
3 | 2221010121122110 |
4 | 2200123111233 |
5 | 41231230043 |
6 | 4101215103 |
7 | 1020314253 |
oct | 240332557 |
9 | 87117573 |
10 | 42055023 |
11 | 2181461a |
12 | 12101493 |
13 | 893603a |
14 | 582a263 |
15 | 3a5ab33 |
hex | 281b56f |
42055023 has 16 divisors (see below), whose sum is σ = 58112640. Its totient is φ = 27035424.
The previous prime is 42055019. The next prime is 42055033. The reversal of 42055023 is 32055024.
It is not a de Polignac number, because 42055023 - 22 = 42055019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42055033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7140 + ... + 11622.
It is an arithmetic number, because the mean of its divisors is an integer number (3632040).
Almost surely, 242055023 is an apocalyptic number.
42055023 is a deficient number, since it is larger than the sum of its proper divisors (16057617).
42055023 is a wasteful number, since it uses less digits than its factorization.
42055023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4598.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 42055023 is about 6484.9844255788. The cubic root of 42055023 is about 347.7543930226.
Subtracting from 42055023 its reverse (32055024), we obtain a palindrome (9999999).
The spelling of 42055023 in words is "forty-two million, fifty-five thousand, twenty-three".
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