Base | Representation |
---|---|
bin | 110100101111… |
… | …001101110000 |
3 | 222000101011121 |
4 | 310233031300 |
5 | 12014344010 |
6 | 1212152024 |
7 | 225336526 |
oct | 64571560 |
9 | 28011147 |
10 | 13824880 |
11 | 7892923 |
12 | 4768614 |
13 | 2b30804 |
14 | 1b9c316 |
15 | 13313da |
hex | d2f370 |
13824880 has 80 divisors (see below), whose sum is σ = 34149600. Its totient is φ = 5196800.
The previous prime is 13824841. The next prime is 13824901. The reversal of 13824880 is 8842831.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×138248802 = 382254614028800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
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 15 ways as a sum of consecutive naturals, for example, 136830 + ... + 136930.
It is an arithmetic number, because the mean of its divisors is an integer number (426870).
Almost surely, 213824880 is an apocalyptic number.
13824880 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 13824880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17074800).
13824880 is an abundant number, since it is smaller than the sum of its proper divisors (20324720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13824880 is a wasteful number, since it uses less digits than its factorization.
13824880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202 (or 196 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 13824880 is about 3718.1823516337. The cubic root of 13824880 is about 240.0050924845.
The spelling of 13824880 in words is "thirteen million, eight hundred twenty-four thousand, eight hundred eighty".
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