Base | Representation |
---|---|
bin | 110001110000… |
… | …001110001000 |
3 | 220112122001002 |
4 | 301300032020 |
5 | 11314330233 |
6 | 1143314132 |
7 | 215600660 |
oct | 61601610 |
9 | 26478032 |
10 | 13042568 |
11 | 73a9090 |
12 | 444b948 |
13 | 29186c6 |
14 | 1a371a0 |
15 | 12296e8 |
hex | c70388 |
13042568 has 64 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 4910400.
The previous prime is 13042559. The next prime is 13042571. The reversal of 13042568 is 86524031.
It is a self number, because there is not a number n which added to its sum of digits gives 13042568.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18755 + ... + 19437.
It is an arithmetic number, because the mean of its divisors is an integer number (492480).
Almost surely, 213042568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13042568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15759360).
13042568 is an abundant number, since it is smaller than the sum of its proper divisors (18476152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13042568 is a wasteful number, since it uses less digits than its factorization.
13042568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 738 (or 734 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 13042568 is about 3611.4495704634. The cubic root of 13042568 is about 235.3898343223.
Adding to 13042568 its reverse (86524031), we get a palindrome (99566599).
The spelling of 13042568 in words is "thirteen million, forty-two thousand, five hundred sixty-eight".
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