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19084190 = 258322993
BaseRepresentation
bin100100011001…
…1001110011110
31022220120120212
41020303032132
514341143230
61521012422
7321133016
oct110631636
938816525
1019084190
11a855264
126484112
133c52628
14276ac46
151a1e895
hex123339e

19084190 has 16 divisors (see below), whose sum is σ = 34766928. Its totient is φ = 7541376.

The previous prime is 19084159. The next prime is 19084201. The reversal of 19084190 is 9148091.

It is a super-2 number, since 2×190841902 = 728412615912200, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10667 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (2172933).

Almost surely, 219084190 is an apocalyptic number.

19084190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19084190 is a deficient number, since it is larger than the sum of its proper divisors (15682738).

19084190 is a wasteful number, since it uses less digits than its factorization.

19084190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23083.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 19084190 is about 4368.5455245425. The cubic root of 19084190 is about 267.2337117725.

The spelling of 19084190 in words is "nineteen million, eighty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 83 166 415 830 22993 45986 114965 229930 1908419 3816838 9542095 19084190