Base | Representation |
---|---|
bin | 100111101010… |
… | …0111001000000 |
3 | 1110010111022010 |
4 | 1033110321000 |
5 | 20310414234 |
6 | 2021412520 |
7 | 341516442 |
oct | 117247100 |
9 | 43114263 |
10 | 20794944 |
11 | 10813605 |
12 | 6b6a140 |
13 | 4401201 |
14 | 2a94492 |
15 | 1c5b6e9 |
hex | 13d4e40 |
20794944 has 112 divisors (see below), whose sum is σ = 61008768. Its totient is φ = 6217728.
The previous prime is 20794937. The next prime is 20794951. The reversal of 20794944 is 44949702.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20794937) and next prime (20794951).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74934 + ... + 75210.
Almost surely, 220794944 is an apocalyptic number.
20794944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20794944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30504384).
20794944 is an abundant number, since it is smaller than the sum of its proper divisors (40213824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20794944 is a wasteful number, since it uses less digits than its factorization.
20794944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 332 (or 322 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 20794944 is about 4560.1473660398. The cubic root of 20794944 is about 274.9914884418.
The spelling of 20794944 in words is "twenty million, seven hundred ninety-four thousand, nine hundred forty-four".
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