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11231630 = 259711579
BaseRepresentation
bin101010110110…
…000110001110
3210010121220022
4222312012032
510333403010
61040422142
7164316164
oct52660616
923117808
1011231630
116381543
123917952
132433347
1416c5234
15ebcd55
hexab618e

11231630 has 16 divisors (see below), whose sum is σ = 20427120. Its totient is φ = 4445952.

The previous prime is 11231629. The next prime is 11231639. The reversal of 11231630 is 3613211.

11231630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112316302 = 252299024913800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231599 and 11231608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231639) 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, 4820 + ... + 6759.

It is an arithmetic number, because the mean of its divisors is an integer number (1276695).

Almost surely, 211231630 is an apocalyptic number.

11231630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231630 is a deficient number, since it is larger than the sum of its proper divisors (9195490).

11231630 is a wasteful number, since it uses less digits than its factorization.

11231630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 11231630 is about 3351.3624095284. The cubic root of 11231630 is about 223.9482102846.

Adding to 11231630 its reverse (3613211), we get a palindrome (14844841).

The spelling of 11231630 in words is "eleven million, two hundred thirty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 11579 23158 57895 115790 1123163 2246326 5615815 11231630