Base | Representation |
---|---|
bin | 1010000001010… |
… | …0010011110111 |
3 | 2221002011011002 |
4 | 2200110103313 |
5 | 41224314411 |
6 | 4100433515 |
7 | 1020134312 |
oct | 240242367 |
9 | 87064132 |
10 | 42026231 |
11 | 217a4a25 |
12 | 120a889b |
13 | 8925bc0 |
14 | 581d979 |
15 | 3a5233b |
hex | 28144f7 |
42026231 has 16 divisors (see below), whose sum is σ = 46452000. Its totient is φ = 37784448.
The previous prime is 42026167. The next prime is 42026251. The reversal of 42026231 is 13262024.
It is not a de Polignac number, because 42026231 - 26 = 42026167 is a prime.
It is a super-2 number, since 2×420262312 = 3532408184130722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42026251) 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, 120245 + ... + 120593.
It is an arithmetic number, because the mean of its divisors is an integer number (2903250).
Almost surely, 242026231 is an apocalyptic number.
42026231 is a deficient number, since it is larger than the sum of its proper divisors (4425769).
42026231 is a wasteful number, since it uses less digits than its factorization.
42026231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 42026231 is about 6482.7641481084. The cubic root of 42026231 is about 347.6750142343.
Adding to 42026231 its reverse (13262024), we get a palindrome (55288255).
The spelling of 42026231 in words is "forty-two million, twenty-six thousand, two hundred thirty-one".
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