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11042445 = 35857859
BaseRepresentation
bin101010000111…
…111010001101
3202210000101110
4222013322031
510311324240
61032402233
7162600501
oct52077215
922700343
1011042445
116262397
123846379
1323981bb
141676301
15e81c80
hexa87e8d

11042445 has 16 divisors (see below), whose sum is σ = 17709120. Its totient is φ = 5875584.

The previous prime is 11042429. The next prime is 11042453. The reversal of 11042445 is 54424011.

It is a happy number.

It is not a de Polignac number, because 11042445 - 24 = 11042429 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12426 + ... + 13284.

It is an arithmetic number, because the mean of its divisors is an integer number (1106820).

Almost surely, 211042445 is an apocalyptic number.

11042445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11042445 is a deficient number, since it is larger than the sum of its proper divisors (6666675).

11042445 is an equidigital number, since it uses as much as digits as its factorization.

11042445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11042445 is about 3323.0174540619. The cubic root of 11042445 is about 222.6836929363.

Adding to 11042445 its reverse (54424011), we get a palindrome (65466456).

The spelling of 11042445 in words is "eleven million, forty-two thousand, four hundred forty-five".

Divisors: 1 3 5 15 857 859 2571 2577 4285 4295 12855 12885 736163 2208489 3680815 11042445