Search a number
-
+
19014185 = 53802837
BaseRepresentation
bin100100010001…
…0001000101001
31022210000120002
41020202020221
514331423220
61515312345
7320421641
oct110421051
938700502
1019014185
11a807703
12644b6b5
133c297c8
14274d521
151a08c75
hex1222229

19014185 has 4 divisors (see below), whose sum is σ = 22817028. Its totient is φ = 15211344.

The previous prime is 19014161. The next prime is 19014187. The reversal of 19014185 is 58141091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 6255001 = 3572^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 19014185 - 216 = 18948649 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (19014187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901414 + ... + 1901423.

It is an arithmetic number, because the mean of its divisors is an integer number (5704257).

Almost surely, 219014185 is an apocalyptic number.

It is an amenable number.

19014185 is a deficient number, since it is larger than the sum of its proper divisors (3802843).

19014185 is an equidigital number, since it uses as much as digits as its factorization.

19014185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802842.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 19014185 is about 4360.5257710510. The cubic root of 19014185 is about 266.9065541031.

The spelling of 19014185 in words is "nineteen million, fourteen thousand, one hundred eighty-five".

Divisors: 1 5 3802837 19014185