Base | Representation |
---|---|
bin | 1010001101101… |
… | …1011101110101 |
3 | 2222121121010202 |
4 | 2203123131311 |
5 | 41431420343 |
6 | 4130130245 |
7 | 1030102466 |
oct | 243333565 |
9 | 88547122 |
10 | 42841973 |
11 | 22201899 |
12 | 12420985 |
13 | 8b502a5 |
14 | 5992d6d |
15 | 3b63db8 |
hex | 28db775 |
42841973 has 4 divisors (see below), whose sum is σ = 42871488. Its totient is φ = 42812460.
The previous prime is 42841963. The next prime is 42841987. The reversal of 42841973 is 37914824.
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 42841973 - 210 = 42840949 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 (42841963) 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, 12461 + ... + 15522.
It is an arithmetic number, because the mean of its divisors is an integer number (10717872).
Almost surely, 242841973 is an apocalyptic number.
It is an amenable number.
42841973 is a deficient number, since it is larger than the sum of its proper divisors (29515).
42841973 is a wasteful number, since it uses less digits than its factorization.
42841973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29514.
The product of its digits is 48384, while the sum is 38.
The square root of 42841973 is about 6545.3779875573. The cubic root of 42841973 is about 349.9101075266.
The spelling of 42841973 in words is "forty-two million, eight hundred forty-one thousand, nine hundred seventy-three".
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