Base | Representation |
---|---|
bin | 100110010000… |
… | …0001010001110 |
3 | 1101201212211120 |
4 | 1030200022032 |
5 | 20113222140 |
6 | 1553501410 |
7 | 332314266 |
oct | 114401216 |
9 | 41655746 |
10 | 20054670 |
11 | 10358409 |
12 | 6871866 |
13 | 420228c |
14 | 29407a6 |
15 | 1b621d0 |
hex | 132028e |
20054670 has 32 divisors (see below), whose sum is σ = 49043232. Its totient is φ = 5246592.
The previous prime is 20054669. The next prime is 20054681. The reversal of 20054670 is 7645002.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 20054670.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4717 + ... + 7896.
It is an arithmetic number, because the mean of its divisors is an integer number (1532601).
Almost surely, 220054670 is an apocalyptic number.
20054670 is an abundant number, since it is smaller than the sum of its proper divisors (28988562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20054670 is a wasteful number, since it uses less digits than its factorization.
20054670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12676.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 20054670 is about 4478.2440755278. The cubic root of 20054670 is about 271.6888653286.
Adding to 20054670 its reverse (7645002), we get a palindrome (27699672).
The spelling of 20054670 in words is "twenty million, fifty-four thousand, six hundred seventy".
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