Base | Representation |
---|---|
bin | 110010000011… |
… | …001100101110 |
3 | 220200120200010 |
4 | 302003030232 |
5 | 11324322202 |
6 | 1145114050 |
7 | 216343416 |
oct | 62031456 |
9 | 26616603 |
10 | 13120302 |
11 | 7451528 |
12 | 4488926 |
13 | 2944bc0 |
14 | 1a57646 |
15 | 124276c |
hex | c8332e |
13120302 has 32 divisors (see below), whose sum is σ = 28748160. Its totient is φ = 3967200.
The previous prime is 13120301. The next prime is 13120321. The reversal of 13120302 is 20302131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13120301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3177 + ... + 6027.
It is an arithmetic number, because the mean of its divisors is an integer number (898380).
Almost surely, 213120302 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13120302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14374080).
13120302 is an abundant number, since it is smaller than the sum of its proper divisors (15627858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120302 is a wasteful number, since it uses less digits than its factorization.
13120302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2928.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 13120302 is about 3622.1957429162. The cubic root of 13120302 is about 235.8565512428.
Adding to 13120302 its reverse (20302131), we get a palindrome (33422433).
It can be divided in two parts, 131 and 20302, that multiplied together give a palindrome (2659562).
The spelling of 13120302 in words is "thirteen million, one hundred twenty thousand, three hundred two".
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