Search a number
-
+
19348849 = 137120963
BaseRepresentation
bin100100111001…
…1110101110001
31100102000122001
41021303311301
514423130344
61530414001
7323314432
oct111636561
940360561
1019348849
11aa16093
126591301
134015c30
1427d9489
151a72ed4
hex1273d71

19348849 has 8 divisors (see below), whose sum is σ = 21131712. Its totient is φ = 17608080.

The previous prime is 19348811. The next prime is 19348871. The reversal of 19348849 is 94884391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19348849 - 29 = 19348337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19348799 and 19348808.

It is not an unprimeable number, because it can be changed into a prime (19348649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9559 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (2641464).

Almost surely, 219348849 is an apocalyptic number.

It is an amenable number.

19348849 is a deficient number, since it is larger than the sum of its proper divisors (1782863).

19348849 is a wasteful number, since it uses less digits than its factorization.

19348849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047.

The product of its digits is 248832, while the sum is 46.

The square root of 19348849 is about 4398.7326583915. The cubic root of 19348849 is about 268.4633746787.

The spelling of 19348849 in words is "nineteen million, three hundred forty-eight thousand, eight hundred forty-nine".

Divisors: 1 13 71 923 20963 272519 1488373 19348849