Base | Representation |
---|---|
bin | 1010001101001… |
… | …0000100000101 |
3 | 2222112122022101 |
4 | 2203102010011 |
5 | 41424202321 |
6 | 4125232101 |
7 | 1026552301 |
oct | 243220405 |
9 | 88478271 |
10 | 42803461 |
11 | 22185968 |
12 | 12402631 |
13 | 8b388bc |
14 | 5982d01 |
15 | 3b57791 |
hex | 28d2105 |
42803461 has 2 divisors, whose sum is σ = 42803462. Its totient is φ = 42803460.
The previous prime is 42803459. The next prime is 42803471. The reversal of 42803461 is 16430824.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22146436 + 20657025 = 4706^2 + 4545^2 .
It is a cyclic number.
It is not a de Polignac number, because 42803461 - 21 = 42803459 is a prime.
Together with 42803459, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42803471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21401730 + 21401731.
It is an arithmetic number, because the mean of its divisors is an integer number (21401731).
Almost surely, 242803461 is an apocalyptic number.
It is an amenable number.
42803461 is a deficient number, since it is larger than the sum of its proper divisors (1).
42803461 is an equidigital number, since it uses as much as digits as its factorization.
42803461 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 42803461 is about 6542.4354028145. The cubic root of 42803461 is about 349.8052276852.
It can be divided in two parts, 42803 and 461, that added together give a square (43264 = 2082).
The spelling of 42803461 in words is "forty-two million, eight hundred three thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •