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2445091 = 111911699
BaseRepresentation
bin1001010100111100100011
311121020000221
421110330203
51111220331
6124223511
726532355
oct11247443
94536027
102445091
111420040
1299ab97
13677bcc
144790d5
15334711
hex254f23

2445091 has 8 divisors (see below), whose sum is σ = 2808000. Its totient is φ = 2105640.

The previous prime is 2445089. The next prime is 2445101. The reversal of 2445091 is 1905442.

2445091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2445091 - 21 = 2445089 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2445011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5641 + ... + 6058.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

22445091 is an apocalyptic number.

2445091 is a deficient number, since it is larger than the sum of its proper divisors (362909).

2445091 is a wasteful number, since it uses less digits than its factorization.

2445091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2445091 is about 1563.6786754318. The cubic root of 2445091 is about 134.7198763958.

It can be divided in two parts, 244 and 5091, that added together give a palindrome (5335).

The spelling of 2445091 in words is "two million, four hundred forty-five thousand, ninety-one".

Divisors: 1 11 19 209 11699 128689 222281 2445091