Base | Representation |
---|---|
bin | 100100011001… |
… | …0110111011000 |
3 | 1022220111120010 |
4 | 1020302313120 |
5 | 14341121322 |
6 | 1521001520 |
7 | 321125505 |
oct | 110626730 |
9 | 38814503 |
10 | 19082712 |
11 | a854140 |
12 | 64832a0 |
13 | 3c51a5c |
14 | 276a4ac |
15 | 1a1e20c |
hex | 1232dd8 |
19082712 has 96 divisors (see below), whose sum is σ = 54584640. Its totient is φ = 5510400.
The previous prime is 19082677. The next prime is 19082737. The reversal of 19082712 is 21728091.
It is a self number, because there is not a number n which added to its sum of digits gives 19082712.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443763 + ... + 443805.
It is an arithmetic number, because the mean of its divisors is an integer number (568590).
Almost surely, 219082712 is an apocalyptic number.
19082712 is a gapful number since it is divisible by the number (12) 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 19082712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27292320).
19082712 is an abundant number, since it is smaller than the sum of its proper divisors (35501928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19082712 is a wasteful number, since it uses less digits than its factorization.
19082712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145 (or 100 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 19082712 is about 4368.3763574124. The cubic root of 19082712 is about 267.2268128399.
The spelling of 19082712 in words is "nineteen million, eighty-two thousand, seven hundred twelve".
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