Base | Representation |
---|---|
bin | 1010000010111… |
… | …0011010010101 |
3 | 2221021120210201 |
4 | 2200232122111 |
5 | 41241230031 |
6 | 4103020501 |
7 | 1021061101 |
oct | 240563225 |
9 | 87246721 |
10 | 42133141 |
11 | 21868286 |
12 | 1213a731 |
13 | 896276b |
14 | 584a901 |
15 | 3a73d61 |
hex | 282e695 |
42133141 has 4 divisors (see below), whose sum is σ = 42157984. Its totient is φ = 42108300.
The previous prime is 42133129. The next prime is 42133153. The reversal of 42133141 is 14133124.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (42133129) and next prime (42133153).
It is a cyclic number.
It is not a de Polignac number, because 42133141 - 211 = 42131093 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 (42130141) 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, 9675 + ... + 13336.
It is an arithmetic number, because the mean of its divisors is an integer number (10539496).
Almost surely, 242133141 is an apocalyptic number.
It is an amenable number.
42133141 is a deficient number, since it is larger than the sum of its proper divisors (24843).
42133141 is a wasteful number, since it uses less digits than its factorization.
42133141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24842.
The product of its digits is 288, while the sum is 19.
The square root of 42133141 is about 6491.0046217824. The cubic root of 42133141 is about 347.9695799586.
Adding to 42133141 its reverse (14133124), we get a palindrome (56266265).
It can be divided in two parts, 4 and 2133141, that added together give a triangular number (2133145 = T2065).
The spelling of 42133141 in words is "forty-two million, one hundred thirty-three thousand, one hundred forty-one".
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