Base | Representation |
---|---|
bin | 111111110001… |
… | …111001110000 |
3 | 1011110102210201 |
4 | 333301321300 |
5 | 13240010342 |
6 | 1354204544 |
7 | 262053550 |
oct | 77617160 |
9 | 34412721 |
10 | 16719472 |
11 | 948a650 |
12 | 5723754 |
13 | 36051a3 |
14 | 2313160 |
15 | 1703db7 |
hex | ff1e70 |
16719472 has 80 divisors (see below), whose sum is σ = 41497344. Its totient is φ = 6336000.
The previous prime is 16719463. The next prime is 16719473. The reversal of 16719472 is 27491761.
Its product of digits (21168) is a multiple of the sum of its prime divisors (392).
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16719473) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50347 + ... + 50677.
Almost surely, 216719472 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 16719472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20748672).
16719472 is an abundant number, since it is smaller than the sum of its proper divisors (24777872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16719472 is a wasteful number, since it uses less digits than its factorization.
16719472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398 (or 392 counting only the distinct ones).
The product of its digits is 21168, while the sum is 37.
The square root of 16719472 is about 4088.9450962320. The cubic root of 16719472 is about 255.7059612277.
The spelling of 16719472 in words is "sixteen million, seven hundred nineteen thousand, four hundred seventy-two".
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