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10663140 = 2235434133
BaseRepresentation
bin101000101011…
…010011100100
3202001202002010
4220223103210
510212210030
61020314220
7156430605
oct50532344
922052063
1010663140
116023414
1236a2970
132294667
1415b7dac
15e096b0
hexa2b4e4

10663140 has 48 divisors (see below), whose sum is σ = 30558528. Its totient is φ = 2776704.

The previous prime is 10663139. The next prime is 10663151. The reversal of 10663140 is 4136601.

It is a super-2 number, since 2×106631402 = 227405109319200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 514 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (636636).

Almost surely, 210663140 is an apocalyptic number.

10663140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10663140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15279264).

10663140 is an abundant number, since it is smaller than the sum of its proper divisors (19895388).

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

10663140 is a wasteful number, since it uses less digits than its factorization.

10663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10663140 is about 3265.4463707126. The cubic root of 10663140 is about 220.1042205922.

Adding to 10663140 its reverse (4136601), we get a palindrome (14799741).

The spelling of 10663140 in words is "ten million, six hundred sixty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 4133 8266 12399 16532 20665 24798 41330 49596 61995 82660 123990 177719 247980 355438 533157 710876 888595 1066314 1777190 2132628 2665785 3554380 5331570 10663140