Search a number
-
+
19214308 = 2219324889
BaseRepresentation
bin100100101001…
…0111111100100
31100011012002001
41021102333210
514404324213
61523455044
7322214251
oct111227744
940135061
1019214308
11a933aa3
126527484
133c99919
1427a2428
151a481dd
hex1252fe4

19214308 has 12 divisors (see below), whose sum is σ = 33800620. Its totient is φ = 9556992.

The previous prime is 19214291. The next prime is 19214309. The reversal of 19214308 is 80341291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 17656804 = 1248^2 + 4202^2 .

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (19214309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11673 + ... + 13216.

Almost surely, 219214308 is an apocalyptic number.

It is an amenable number.

19214308 is a deficient number, since it is larger than the sum of its proper divisors (14586312).

19214308 is a wasteful number, since it uses less digits than its factorization.

19214308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25086 (or 25084 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 19214308 is about 4383.4128256417. The cubic root of 19214308 is about 267.8396791188.

Adding to 19214308 its reverse (80341291), we get a palindrome (99555599).

The spelling of 19214308 in words is "nineteen million, two hundred fourteen thousand, three hundred eight".

Divisors: 1 2 4 193 386 772 24889 49778 99556 4803577 9607154 19214308