Base | Representation |
---|---|
bin | 100100011100… |
… | …0000011110000 |
3 | 1022221120201222 |
4 | 1020320003300 |
5 | 14342311414 |
6 | 1521244212 |
7 | 321244514 |
oct | 110700360 |
9 | 38846658 |
10 | 19103984 |
11 | a869119 |
12 | 6493668 |
13 | 3c5b643 |
14 | 2774144 |
15 | 1a2568e |
hex | 12380f0 |
19103984 has 20 divisors (see below), whose sum is σ = 38624016. Its totient is φ = 9136512.
The previous prime is 19103983. The next prime is 19103989. The reversal of 19103984 is 48930191.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19103983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25589 + ... + 26324.
Almost surely, 219103984 is an apocalyptic number.
It is an amenable number.
19103984 is an abundant number, since it is smaller than the sum of its proper divisors (19520032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19103984 is a wasteful number, since it uses less digits than its factorization.
19103984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51944 (or 51938 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 35.
The square root of 19103984 is about 4370.8104511635. The cubic root of 19103984 is about 267.3260708816.
The spelling of 19103984 in words is "nineteen million, one hundred three thousand, nine hundred eighty-four".
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