Search a number
-
+
19680327 = 3580989
BaseRepresentation
bin100101100010…
…0110001000111
31101000212100000
41023010301013
520014232302
61541452343
7326165022
oct113046107
941025300
1019680327
1110122137
1267110b3
134100a84
1428841b9
151adb31c
hex12c4c47

19680327 has 12 divisors (see below), whose sum is σ = 29480360. Its totient is φ = 13120056.

The previous prime is 19680293. The next prime is 19680329. The reversal of 19680327 is 72308691.

It is not a de Polignac number, because 19680327 - 212 = 19676231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19680291 and 19680300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19680329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40252 + ... + 40737.

Almost surely, 219680327 is an apocalyptic number.

19680327 is a deficient number, since it is larger than the sum of its proper divisors (9800033).

19680327 is an frugal number, since it uses more digits than its factorization.

19680327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81004 (or 80992 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 19680327 is about 4436.2514581570. The cubic root of 19680327 is about 269.9877772245.

The spelling of 19680327 in words is "nineteen million, six hundred eighty thousand, three hundred twenty-seven".

Divisors: 1 3 9 27 81 243 80989 242967 728901 2186703 6560109 19680327