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11020438 = 21121331113
BaseRepresentation
bin101010000010…
…100010010110
3202201220012101
4222002202112
510310123223
61032112314
7162446362
oct52024226
922656171
1011020438
116247900
12383569a
13238b190
14166c2a2
15e7a4ad
hexa82896

11020438 has 48 divisors (see below), whose sum is σ = 20377728. Its totient is φ = 4435200.

The previous prime is 11020423. The next prime is 11020439. The reversal of 11020438 is 83402011.

It is a Smith number, since the sum of its digits (19) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97470 + ... + 97582.

It is an arithmetic number, because the mean of its divisors is an integer number (424536).

Almost surely, 211020438 is an apocalyptic number.

11020438 is a deficient number, since it is larger than the sum of its proper divisors (9357290).

11020438 is a wasteful number, since it uses less digits than its factorization.

11020438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11020438 is about 3319.7045049221. The cubic root of 11020438 is about 222.5356623391.

Adding to 11020438 its reverse (83402011), we get a palindrome (94422449).

The spelling of 11020438 in words is "eleven million, twenty thousand, four hundred thirty-eight".

Divisors: 1 2 11 13 22 26 31 62 113 121 143 226 242 286 341 403 682 806 1243 1469 1573 2486 2938 3146 3503 3751 4433 7006 7502 8866 13673 16159 27346 32318 38533 45539 48763 77066 91078 97526 177749 355498 423863 500929 847726 1001858 5510219 11020438