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13024026 = 23223163193
BaseRepresentation
bin110001101011…
…101100011010
3220111200121100
4301223230122
511313232101
61143052230
7215462631
oct61535432
926450540
1013024026
117396164
124441076
132910132
141a30518
151223e86
hexc6bb1a

13024026 has 48 divisors (see below), whose sum is σ = 29779776. Its totient is φ = 4105728.

The previous prime is 13024021. The next prime is 13024087. The reversal of 13024026 is 62042031.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (13024021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67386 + ... + 67578.

It is an arithmetic number, because the mean of its divisors is an integer number (620412).

Almost surely, 213024026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13024026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14889888).

13024026 is an abundant number, since it is smaller than the sum of its proper divisors (16755750).

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

13024026 is a wasteful number, since it uses less digits than its factorization.

13024026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13024026 is about 3608.8815441907. The cubic root of 13024026 is about 235.2782339008.

Adding to 13024026 its reverse (62042031), we get a palindrome (75066057).

The spelling of 13024026 in words is "thirteen million, twenty-four thousand, twenty-six".

Divisors: 1 2 3 6 9 18 23 46 69 138 163 193 207 326 386 414 489 579 978 1158 1467 1737 2934 3474 3749 4439 7498 8878 11247 13317 22494 26634 31459 33741 39951 62918 67482 79902 94377 188754 283131 566262 723557 1447114 2170671 4341342 6512013 13024026