Base | Representation |
---|---|
bin | 100110010000… |
… | …0000011010101 |
3 | 1101201212020020 |
4 | 1030200003111 |
5 | 20113213404 |
6 | 1553455353 |
7 | 332313066 |
oct | 114400325 |
9 | 41655206 |
10 | 20054229 |
11 | 10358048 |
12 | 6871559 |
13 | 4202010 |
14 | 294056d |
15 | 1b61ed9 |
hex | 13200d5 |
20054229 has 32 divisors (see below), whose sum is σ = 30535680. Its totient is φ = 11613888.
The previous prime is 20054227. The next prime is 20054231. The reversal of 20054229 is 92245002.
It is an interprime number because it is at equal distance from previous prime (20054227) and next prime (20054231).
It is not a de Polignac number, because 20054229 - 21 = 20054227 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20054199 and 20054208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20054227) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70722 + ... + 71004.
It is an arithmetic number, because the mean of its divisors is an integer number (954240).
Almost surely, 220054229 is an apocalyptic number.
It is an amenable number.
20054229 is a deficient number, since it is larger than the sum of its proper divisors (10481451).
20054229 is a wasteful number, since it uses less digits than its factorization.
20054229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 20054229 is about 4478.1948372084. The cubic root of 20054229 is about 271.6868738445.
The spelling of 20054229 in words is "twenty million, fifty-four thousand, two hundred twenty-nine".
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