Base | Representation |
---|---|
bin | 100111101010… |
… | …0101110001110 |
3 | 1110010110100120 |
4 | 1033110232032 |
5 | 20310404004 |
6 | 2021405410 |
7 | 341514435 |
oct | 117245616 |
9 | 43113316 |
10 | 20794254 |
11 | 10813038 |
12 | 6b69866 |
13 | 4400ac0 |
14 | 2a9411c |
15 | 1c5b3d9 |
hex | 13d4b8e |
20794254 has 64 divisors (see below), whose sum is σ = 47706624. Its totient is φ = 5993856.
The previous prime is 20794253. The next prime is 20794283. The reversal of 20794254 is 45249702.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20794253) 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, 120112 + ... + 120284.
It is an arithmetic number, because the mean of its divisors is an integer number (745416).
Almost surely, 220794254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20794254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23853312).
20794254 is an abundant number, since it is smaller than the sum of its proper divisors (26912370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20794254 is a wasteful number, since it uses less digits than its factorization.
20794254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 20794254 is about 4560.0717099625. The cubic root of 20794254 is about 274.9884468976.
The spelling of 20794254 in words is "twenty million, seven hundred ninety-four thousand, two hundred fifty-four".
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