Search a number
-
+
20189114 = 211917687
BaseRepresentation
bin100110100000…
…0111110111010
31101222201020222
41031000332322
520132022424
62000420042
7333414251
oct115007672
941881228
1020189114
111043a420
126917622
13424b52a
142977798
151b8be5e
hex1340fba

20189114 has 8 divisors (see below), whose sum is σ = 33036768. Its totient is φ = 9176860.

The previous prime is 20189111. The next prime is 20189119. The reversal of 20189114 is 41198102.

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

It is not an unprimeable number, because it can be changed into a prime (20189111) 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, 458822 + ... + 458865.

It is an arithmetic number, because the mean of its divisors is an integer number (4129596).

Almost surely, 220189114 is an apocalyptic number.

20189114 is a deficient number, since it is larger than the sum of its proper divisors (12847654).

20189114 is a wasteful number, since it uses less digits than its factorization.

20189114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917700.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 20189114 is about 4493.2297960376. The cubic root of 20189114 is about 272.2946363942.

The spelling of 20189114 in words is "twenty million, one hundred eighty-nine thousand, one hundred fourteen".

Divisors: 1 2 11 22 917687 1835374 10094557 20189114