Base | Representation |
---|---|
bin | 100110001111… |
… | …0101100110101 |
3 | 1101201120122012 |
4 | 1030132230311 |
5 | 20113024233 |
6 | 1553414005 |
7 | 332261000 |
oct | 114365465 |
9 | 41646565 |
10 | 20048693 |
11 | 10353975 |
12 | 686a305 |
13 | 41cc642 |
14 | 293c537 |
15 | 1b60548 |
hex | 131eb35 |
20048693 has 8 divisors (see below), whose sum is σ = 23380800. Its totient is φ = 17184300.
The previous prime is 20048689. The next prime is 20048701. The reversal of 20048693 is 39684002.
It is not a de Polignac number, because 20048693 - 22 = 20048689 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 (20048683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28883 + ... + 29568.
It is an arithmetic number, because the mean of its divisors is an integer number (2922600).
Almost surely, 220048693 is an apocalyptic number.
It is an amenable number.
20048693 is a deficient number, since it is larger than the sum of its proper divisors (3332107).
20048693 is an frugal number, since it uses more digits than its factorization.
20048693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58472 (or 58458 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 20048693 is about 4477.5766883438. The cubic root of 20048693 is about 271.6618716874.
The spelling of 20048693 in words is "twenty million, forty-eight thousand, six hundred ninety-three".
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