Base | Representation |
---|---|
bin | 110010110110… |
… | …011111100000 |
3 | 221002020212112 |
4 | 302312133200 |
5 | 11403033100 |
6 | 1153414452 |
7 | 221210066 |
oct | 62663740 |
9 | 27066775 |
10 | 13330400 |
11 | 7585366 |
12 | 456a428 |
13 | 29b9715 |
14 | 1ab0036 |
15 | 1284b35 |
hex | cb67e0 |
13330400 has 72 divisors (see below), whose sum is σ = 34294680. Its totient is φ = 5045760.
The previous prime is 13330379. The next prime is 13330423. The reversal of 13330400 is 403331.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 14762 + ... + 15638.
It is an arithmetic number, because the mean of its divisors is an integer number (476315).
Almost surely, 213330400 is an apocalyptic number.
13330400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13330400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17147340).
13330400 is an abundant number, since it is smaller than the sum of its proper divisors (20964280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13330400 is a wasteful number, since it uses less digits than its factorization.
13330400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 916 (or 903 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 13330400 is about 3651.0820313984. The cubic root of 13330400 is about 237.1088297678.
Adding to 13330400 its reverse (403331), we get a palindrome (13733731).
The spelling of 13330400 in words is "thirteen million, three hundred thirty thousand, four hundred".
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