Base | Representation |
---|---|
bin | 100110001110… |
… | …1010110111000 |
3 | 1101201022002110 |
4 | 1030131112320 |
5 | 20112340232 |
6 | 1553332320 |
7 | 332235651 |
oct | 114352670 |
9 | 41638073 |
10 | 20043192 |
11 | 1034a824 |
12 | 68670a0 |
13 | 41c9ca0 |
14 | 293a528 |
15 | 1b5dacc |
hex | 131d5b8 |
20043192 has 64 divisors (see below), whose sum is σ = 54391680. Its totient is φ = 6118272.
The previous prime is 20043181. The next prime is 20043211. The reversal of 20043192 is 29134002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70683 + ... + 70965.
It is an arithmetic number, because the mean of its divisors is an integer number (849870).
Almost surely, 220043192 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20043192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27195840).
20043192 is an abundant number, since it is smaller than the sum of its proper divisors (34348488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20043192 is a wasteful number, since it uses less digits than its factorization.
20043192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532 (or 528 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 20043192 is about 4476.9623630314. The cubic root of 20043192 is about 271.6370230409.
Adding to 20043192 its reverse (29134002), we get a palindrome (49177194).
The spelling of 20043192 in words is "twenty million, forty-three thousand, one hundred ninety-two".
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