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11182613 = 131934457
BaseRepresentation
bin101010101010…
…001000010101
3210001010122212
4222222020111
510330320423
61035403205
7164023241
oct52521025
923033585
1011182613
116348732
1238b3505
132416c40
1416b1421
15ead578
hexaaa215

11182613 has 8 divisors (see below), whose sum is σ = 12107928. Its totient is φ = 10266624.

The previous prime is 11182609. The next prime is 11182631. The reversal of 11182613 is 31628111.

11182613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 305809 + 10876804 = 553^2 + 3298^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11182613 - 22 = 11182609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11182643) 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, 281 + ... + 4737.

It is an arithmetic number, because the mean of its divisors is an integer number (1513491).

Almost surely, 211182613 is an apocalyptic number.

11182613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11182613 is a deficient number, since it is larger than the sum of its proper divisors (925315).

11182613 is a wasteful number, since it uses less digits than its factorization.

11182613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its digits is 288, while the sum is 23.

The square root of 11182613 is about 3344.0414172076. The cubic root of 11182613 is about 223.6219508064.

The spelling of 11182613 in words is "eleven million, one hundred eighty-two thousand, six hundred thirteen".

Divisors: 1 13 193 2509 4457 57941 860201 11182613