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11144205 = 325247649
BaseRepresentation
bin101010100000…
…110000001101
3202222011222100
4222200300031
510323103310
61034505313
7163503252
oct52406015
922864870
1011144205
116321896
123895239
132402607
1416a1429
15ea1ec0
hexaa0c0d

11144205 has 12 divisors (see below), whose sum is σ = 19316700. Its totient is φ = 5943552.

The previous prime is 11144153. The next prime is 11144209. The reversal of 11144205 is 50244111.

It can be written as a sum of positive squares in 2 ways, for example, as 1447209 + 9696996 = 1203^2 + 3114^2 .

It is not a de Polignac number, because 11144205 - 28 = 11143949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123780 + ... + 123869.

It is an arithmetic number, because the mean of its divisors is an integer number (1609725).

Almost surely, 211144205 is an apocalyptic number.

11144205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11144205 is a deficient number, since it is larger than the sum of its proper divisors (8172495).

11144205 is a wasteful number, since it uses less digits than its factorization.

11144205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247660 (or 247657 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11144205 is about 3338.2937258426. The cubic root of 11144205 is about 223.3656385040.

Adding to 11144205 its reverse (50244111), we get a palindrome (61388316).

The spelling of 11144205 in words is "eleven million, one hundred forty-four thousand, two hundred five".

Divisors: 1 3 5 9 15 45 247649 742947 1238245 2228841 3714735 11144205