Base | Representation |
---|---|
bin | 1010001001001… |
… | …0110000001101 |
3 | 2222001110120221 |
4 | 2202102300031 |
5 | 41342403031 |
6 | 4115511341 |
7 | 1024422253 |
oct | 242226015 |
9 | 88043527 |
10 | 42544141 |
11 | 22019052 |
12 | 122b8551 |
13 | 8a77863 |
14 | 59165d3 |
15 | 3b05a11 |
hex | 2892c0d |
42544141 has 8 divisors (see below), whose sum is σ = 43042784. Its totient is φ = 42048720.
The previous prime is 42544127. The next prime is 42544171. The reversal of 42544141 is 14144524.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42544141 - 25 = 42544109 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 (42544171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33775 + ... + 35011.
It is an arithmetic number, because the mean of its divisors is an integer number (5380348).
Almost surely, 242544141 is an apocalyptic number.
It is an amenable number.
42544141 is a deficient number, since it is larger than the sum of its proper divisors (498643).
42544141 is a wasteful number, since it uses less digits than its factorization.
42544141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1611.
The product of its digits is 2560, while the sum is 25.
The square root of 42544141 is about 6522.5869867714. The cubic root of 42544141 is about 349.0973776105.
Adding to 42544141 its reverse (14144524), we get a palindrome (56688665).
The spelling of 42544141 in words is "forty-two million, five hundred forty-four thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •