Base | Representation |
---|---|
bin | 1010000101001… |
… | …1000001111011 |
3 | 2221120012112220 |
4 | 2201103001323 |
5 | 41311030011 |
6 | 4110135123 |
7 | 1022254302 |
oct | 241230173 |
9 | 87505486 |
10 | 42283131 |
11 | 2195aa40 |
12 | 121b14a3 |
13 | 89b5b07 |
14 | 5889439 |
15 | 3aa3506 |
hex | 285307b |
42283131 has 64 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 22077440.
The previous prime is 42283093. The next prime is 42283141. The reversal of 42283131 is 13138224.
It is not a de Polignac number, because 42283131 - 215 = 42250363 is a prime.
It is a super-2 number, since 2×422831312 = 3575726334326322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42283141) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 374131 + ... + 374243.
It is an arithmetic number, because the mean of its divisors is an integer number (1108080).
Almost surely, 242283131 is an apocalyptic number.
42283131 is a deficient number, since it is larger than the sum of its proper divisors (28633989).
42283131 is a wasteful number, since it uses less digits than its factorization.
42283131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196.
The product of its digits is 1152, while the sum is 24.
The square root of 42283131 is about 6502.5480390382. The cubic root of 42283131 is about 348.3820038878.
The spelling of 42283131 in words is "forty-two million, two hundred eighty-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •