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19714384 = 246171997
BaseRepresentation
bin100101100110…
…1000101010000
31101002121001101
41023031011100
520021330014
61542314144
7326366224
oct113150520
941077041
1019714384
1110145788
126728954
134113421
142892784
151ae6474
hex12cd150

19714384 has 20 divisors (see below), whose sum is σ = 38277684. Its totient is φ = 9836288.

The previous prime is 19714379. The next prime is 19714397. The reversal of 19714384 is 48341791.

It can be written as a sum of positive squares in 2 ways, for example, as 529984 + 19184400 = 728^2 + 4380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8874 + ... + 10870.

Almost surely, 219714384 is an apocalyptic number.

It is an amenable number.

19714384 is a deficient number, since it is larger than the sum of its proper divisors (18563300).

19714384 is a wasteful number, since it uses less digits than its factorization.

19714384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2616 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 19714384 is about 4440.0882874105. The cubic root of 19714384 is about 270.1434263121.

The spelling of 19714384 in words is "nineteen million, seven hundred fourteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 617 1234 1997 2468 3994 4936 7988 9872 15976 31952 1232149 2464298 4928596 9857192 19714384