Base | Representation |
---|---|
bin | 1010000001100… |
… | …0100110010001 |
3 | 2221010001020112 |
4 | 2200120212101 |
5 | 41230400133 |
6 | 4101051105 |
7 | 1020236441 |
oct | 240304621 |
9 | 87101215 |
10 | 42043793 |
11 | 21807140 |
12 | 120b6a95 |
13 | 8930bac |
14 | 5826121 |
15 | 3a57648 |
hex | 2818991 |
42043793 has 16 divisors (see below), whose sum is σ = 48249216. Its totient is φ = 36263040.
The previous prime is 42043769. The next prime is 42043817. The reversal of 42043793 is 39734024.
It is an interprime number because it is at equal distance from previous prime (42043769) and next prime (42043817).
It is not a de Polignac number, because 42043793 - 222 = 37849489 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (42043763) 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, 34055 + ... + 35267.
It is an arithmetic number, because the mean of its divisors is an integer number (3015576).
Almost surely, 242043793 is an apocalyptic number.
It is an amenable number.
42043793 is a deficient number, since it is larger than the sum of its proper divisors (6205423).
42043793 is a wasteful number, since it uses less digits than its factorization.
42043793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1384.
The product of its (nonzero) digits is 18144, while the sum is 32.
The square root of 42043793 is about 6484.1185214337. The cubic root of 42043793 is about 347.7234365183.
It can be divided in two parts, 4204 and 3793, that added together give a palindrome (7997).
The spelling of 42043793 in words is "forty-two million, forty-three thousand, seven hundred ninety-three".
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