Search a number
-
+
11109385 = 57317411
BaseRepresentation
bin101010011000…
…010000001001
3202220102012201
4222120100021
510321000020
61034040201
7163266610
oct52302011
922812181
1011109385
1162a8711
123879061
1323bc801
141692877
15e96a0a
hexa98409

11109385 has 8 divisors (see below), whose sum is σ = 15235776. Its totient is φ = 7617840.

The previous prime is 11109379. The next prime is 11109403. The reversal of 11109385 is 58390111.

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

It is not a de Polignac number, because 11109385 - 217 = 10978313 is a prime.

It is a Duffinian number.

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, 158671 + ... + 158740.

It is an arithmetic number, because the mean of its divisors is an integer number (1904472).

Almost surely, 211109385 is an apocalyptic number.

It is an amenable number.

11109385 is a deficient number, since it is larger than the sum of its proper divisors (4126391).

11109385 is an equidigital number, since it uses as much as digits as its factorization.

11109385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317423.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11109385 is about 3333.0744066102. The cubic root of 11109385 is about 223.1327609391.

Adding to 11109385 its reverse (58390111), we get a palindrome (69499496).

The spelling of 11109385 in words is "eleven million, one hundred nine thousand, three hundred eighty-five".

Divisors: 1 5 7 35 317411 1587055 2221877 11109385