Search a number
-
+
19055185 = 537103001
BaseRepresentation
bin100100010110…
…0001001010001
31022212002210121
41020230021101
514334231220
61520230241
7320652322
oct110541121
938762717
1019055185
11a835496
12646b381
133c42376
142760449
151a15eaa
hex122c251

19055185 has 8 divisors (see below), whose sum is σ = 23484456. Its totient is φ = 14832000.

The previous prime is 19055177. The next prime is 19055191. The reversal of 19055185 is 58155091.

It can be written as a sum of positive squares in 4 ways, for example, as 1347921 + 17707264 = 1161^2 + 4208^2 .

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

It is not a de Polignac number, because 19055185 - 23 = 19055177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19055185.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51316 + ... + 51685.

It is an arithmetic number, because the mean of its divisors is an integer number (2935557).

Almost surely, 219055185 is an apocalyptic number.

It is an amenable number.

19055185 is a deficient number, since it is larger than the sum of its proper divisors (4429271).

19055185 is a wasteful number, since it uses less digits than its factorization.

19055185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103043.

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 19055185 is about 4365.2245073994. The cubic root of 19055185 is about 267.0982585700.

The spelling of 19055185 in words is "nineteen million, fifty-five thousand, one hundred eighty-five".

Divisors: 1 5 37 185 103001 515005 3811037 19055185