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11240189 = 1011091021
BaseRepresentation
bin101010111000…
…001011111101
3210011001122022
4222320023331
510334141224
61040525525
7164353142
oct52701375
923131568
1011240189
116387a14
1239208a5
1324371cc
1416c83c9
15ec065e
hexab82fd

11240189 has 8 divisors (see below), whose sum is σ = 11466840. Its totient is φ = 11016000.

The previous prime is 11240183. The next prime is 11240209. The reversal of 11240189 is 98104211.

11240189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6100900 + 5139289 = 2470^2 + 2267^2 .

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 11240189 - 28 = 11239933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240183) 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, 10499 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (1433355).

Almost surely, 211240189 is an apocalyptic number.

It is an amenable number.

11240189 is a deficient number, since it is larger than the sum of its proper divisors (226651).

11240189 is a wasteful number, since it uses less digits than its factorization.

11240189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

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

The square root of 11240189 is about 3352.6391097164. The cubic root of 11240189 is about 224.0050819957.

The spelling of 11240189 in words is "eleven million, two hundred forty thousand, one hundred eighty-nine".

Divisors: 1 101 109 1021 11009 103121 111289 11240189