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11441140 = 2253715461
BaseRepresentation
bin101011101001…
…001111110100
3210112021021221
4223221033310
510412104030
61045120124
7166151044
oct53511764
923467257
1011441140
116504997
1239b9044
1324a7809
14173b724
15100ee7a
hexae93f4

11441140 has 24 divisors (see below), whose sum is σ = 24677352. Its totient is φ = 4452480.

The previous prime is 11441123. The next prime is 11441141. The reversal of 11441140 is 4114411.

It can be written as a sum of positive squares in 4 ways, for example, as 1669264 + 9771876 = 1292^2 + 3126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11441141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (1028223).

Almost surely, 211441140 is an apocalyptic number.

11441140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11441140 is an abundant number, since it is smaller than the sum of its proper divisors (13236212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11441140 is a wasteful number, since it uses less digits than its factorization.

11441140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507 (or 15505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 11441140 is about 3382.4754248922. The cubic root of 11441140 is about 225.3321185778.

Adding to 11441140 its reverse (4114411), we get a palindrome (15555551).

The spelling of 11441140 in words is "eleven million, four hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 15461 30922 61844 77305 154610 309220 572057 1144114 2288228 2860285 5720570 11441140