Base | Representation |
---|---|
bin | 100110101110… |
… | …0000100110110 |
3 | 1102012100111001 |
4 | 1031130010312 |
5 | 20144100321 |
6 | 2003033514 |
7 | 334355632 |
oct | 115340466 |
9 | 42170431 |
10 | 20300086 |
11 | 10505834 |
12 | 696b89a |
13 | 4289bb1 |
14 | 29a5dc2 |
15 | 1baec91 |
hex | 135c136 |
20300086 has 4 divisors (see below), whose sum is σ = 30450132. Its totient is φ = 10150042.
The previous prime is 20300083. The next prime is 20300089. The reversal of 20300086 is 68000302.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (20300083) and next prime (20300089).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20300081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075020 + ... + 5075023.
It is an arithmetic number, because the mean of its divisors is an integer number (7612533).
Almost surely, 220300086 is an apocalyptic number.
20300086 is a deficient number, since it is larger than the sum of its proper divisors (10150046).
20300086 is a wasteful number, since it uses less digits than its factorization.
20300086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10150045.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 20300086 is about 4505.5616741978. The cubic root of 20300086 is about 272.7926256381.
Adding to 20300086 its reverse (68000302), we get a palindrome (88300388).
The spelling of 20300086 in words is "twenty million, three hundred thousand, eighty-six".
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