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13104630 = 23257113161
BaseRepresentation
bin110001111111…
…010111110110
3220122210011200
4301333113312
511323322010
61144513330
7216246630
oct61772766
926583150
1013104630
117440780
12447b846
13293aa26
141a51a50
15123ccc0
hexc7f5f6

13104630 has 192 divisors, whose sum is σ = 44568576. Its totient is φ = 2592000.

The previous prime is 13104617. The next prime is 13104631. The reversal of 13104630 is 3640131.

13104630 is a `hidden beast` number, since 1 + 31 + 0 + 4 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 214800 + ... + 214860.

It is an arithmetic number, because the mean of its divisors is an integer number (232128).

Almost surely, 213104630 is an apocalyptic number.

13104630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13104630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22284288).

13104630 is an abundant number, since it is smaller than the sum of its proper divisors (31463946).

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

13104630 is a wasteful number, since it uses less digits than its factorization.

13104630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13104630 is about 3620.0317678164. The cubic root of 13104630 is about 235.7626048130.

Adding to 13104630 its reverse (3640131), we get a palindrome (16744761).

The spelling of 13104630 in words is "thirteen million, one hundred four thousand, six hundred thirty".