Base | Representation |
---|---|
bin | 1010000101001… |
… | …1000111000001 |
3 | 2221120012222222 |
4 | 2201103013001 |
5 | 41311032312 |
6 | 4110140425 |
7 | 1022255246 |
oct | 241230701 |
9 | 87505888 |
10 | 42283457 |
11 | 21960207 |
12 | 121b1715 |
13 | 89b5cc8 |
14 | 58895cd |
15 | 3aa3672 |
hex | 28531c1 |
42283457 has 4 divisors (see below), whose sum is σ = 42694080. Its totient is φ = 41872836.
The previous prime is 42283441. The next prime is 42283459. The reversal of 42283457 is 75438224.
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 a cyclic number.
It is not a de Polignac number, because 42283457 - 24 = 42283441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42283459) 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, 205157 + ... + 205362.
It is an arithmetic number, because the mean of its divisors is an integer number (10673520).
Almost surely, 242283457 is an apocalyptic number.
It is an amenable number.
42283457 is a deficient number, since it is larger than the sum of its proper divisors (410623).
42283457 is a wasteful number, since it uses less digits than its factorization.
42283457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410622.
The product of its digits is 53760, while the sum is 35.
The square root of 42283457 is about 6502.5731060865. The cubic root of 42283457 is about 348.3828992192.
The spelling of 42283457 in words is "forty-two million, two hundred eighty-three thousand, four hundred fifty-seven".
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