Base | Representation |
---|---|
bin | 1010001110100… |
… | …0111100011111 |
3 | 2222201101212120 |
4 | 2203220330133 |
5 | 41440202213 |
6 | 4131234023 |
7 | 1030422450 |
oct | 243507437 |
9 | 88641776 |
10 | 42897183 |
11 | 2223a31a |
12 | 12448913 |
13 | 8b6c464 |
14 | 59a9127 |
15 | 3b75423 |
hex | 28e8f1f |
42897183 has 16 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 24258816.
The previous prime is 42897167. The next prime is 42897203. The reversal of 42897183 is 38179824.
It is not a de Polignac number, because 42897183 - 24 = 42897167 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42897133) 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, 8493 + ... + 12566.
It is an arithmetic number, because the mean of its divisors is an integer number (4127760).
Almost surely, 242897183 is an apocalyptic number.
42897183 is a deficient number, since it is larger than the sum of its proper divisors (23146977).
42897183 is a wasteful number, since it uses less digits than its factorization.
42897183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21166.
The product of its digits is 96768, while the sum is 42.
The square root of 42897183 is about 6549.5941095613. The cubic root of 42897183 is about 350.0603514976.
The spelling of 42897183 in words is "forty-two million, eight hundred ninety-seven thousand, one hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •