Base | Representation |
---|---|
bin | 100111001100… |
… | …1001100001110 |
3 | 1102200001212110 |
4 | 1032121030032 |
5 | 20230103124 |
6 | 2012244450 |
7 | 336450513 |
oct | 116311416 |
9 | 42601773 |
10 | 20550414 |
11 | 10666915 |
12 | 6a70726 |
13 | 4346b11 |
14 | 2a2d30a |
15 | 1c0e029 |
hex | 139930e |
20550414 has 8 divisors (see below), whose sum is σ = 41100840. Its totient is φ = 6850136.
The previous prime is 20550403. The next prime is 20550437. The reversal of 20550414 is 41405502.
It is a sphenic number, since it is the product of 3 distinct primes.
20550414 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712529 + ... + 1712540.
It is an arithmetic number, because the mean of its divisors is an integer number (5137605).
Almost surely, 220550414 is an apocalyptic number.
20550414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20550414 is a wasteful number, since it uses less digits than its factorization.
20550414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3425074.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 20550414 is about 4533.2564454264. The cubic root of 20550414 is about 273.9093507296.
Adding to 20550414 its reverse (41405502), we get a palindrome (61955916).
The spelling of 20550414 in words is "twenty million, five hundred fifty thousand, four hundred fourteen".
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