Base | Representation |
---|---|
bin | 100111011111… |
… | …0011101011011 |
3 | 1102221211021021 |
4 | 1032332131123 |
5 | 20244444232 |
6 | 2015423311 |
7 | 340654540 |
oct | 116763533 |
9 | 42854237 |
10 | 20703067 |
11 | 10760580 |
12 | 6b24b37 |
13 | 439b448 |
14 | 2a6cbc7 |
15 | 1c3e397 |
hex | 13be75b |
20703067 has 16 divisors (see below), whose sum is σ = 26203392. Its totient is φ = 15887520.
The previous prime is 20703031. The next prime is 20703079. The reversal of 20703067 is 76030702.
It is not a de Polignac number, because 20703067 - 223 = 12314459 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20703967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3153 + ... + 7165.
It is an arithmetic number, because the mean of its divisors is an integer number (1637712).
Almost surely, 220703067 is an apocalyptic number.
20703067 is a deficient number, since it is larger than the sum of its proper divisors (5500325).
20703067 is a wasteful number, since it uses less digits than its factorization.
20703067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4098.
The product of its (nonzero) digits is 1764, while the sum is 25.
The square root of 20703067 is about 4550.0623072657. The cubic root of 20703067 is about 274.5858979597.
Adding to 20703067 its reverse (76030702), we get a palindrome (96733769).
The spelling of 20703067 in words is "twenty million, seven hundred three thousand, sixty-seven".
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