Base | Representation |
---|---|
bin | 100101110001… |
… | …1000001001000 |
3 | 1101021011022002 |
4 | 1023203001020 |
5 | 20032213412 |
6 | 1544250132 |
7 | 330222200 |
oct | 113430110 |
9 | 41234262 |
10 | 19804232 |
11 | 101a7238 |
12 | 6770948 |
13 | 41452a6 |
14 | 28b7400 |
15 | 1b12dc2 |
hex | 12e3048 |
19804232 has 48 divisors (see below), whose sum is σ = 45486000. Its totient is φ = 8037792.
The previous prime is 19804231. The next prime is 19804237. The reversal of 19804232 is 23240891.
It is a junction number, because it is equal to n+sod(n) for n = 19804195 and 19804204.
It is not an unprimeable number, because it can be changed into a prime (19804231) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6119 + ... + 8777.
It is an arithmetic number, because the mean of its divisors is an integer number (947625).
Almost surely, 219804232 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 19804232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22743000).
19804232 is an abundant number, since it is smaller than the sum of its proper divisors (25681768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19804232 is a wasteful number, since it uses less digits than its factorization.
19804232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2698 (or 2687 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 19804232 is about 4450.1946024865. The cubic root of 19804232 is about 270.5531959299.
The spelling of 19804232 in words is "nineteen million, eight hundred four thousand, two hundred thirty-two".
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