Base | Representation |
---|---|
bin | 110100100101… |
… | …010010001000 |
3 | 221221022100221 |
4 | 310211102020 |
5 | 12012043300 |
6 | 1211235424 |
7 | 225110113 |
oct | 64452210 |
9 | 27838327 |
10 | 13784200 |
11 | 7865301 |
12 | 4748b74 |
13 | 2b18141 |
14 | 1b8b57a |
15 | 132431a |
hex | d25488 |
13784200 has 48 divisors (see below), whose sum is σ = 32849460. Its totient is φ = 5379200.
The previous prime is 13784149. The next prime is 13784201. The reversal of 13784200 is 248731.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 6 ways, for example, as 4334724 + 9449476 = 2082^2 + 3074^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (13784201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336180 + ... + 336220.
Almost surely, 213784200 is an apocalyptic number.
13784200 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 13784200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16424730).
13784200 is an abundant number, since it is smaller than the sum of its proper divisors (19065260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13784200 is an frugal number, since it uses more digits than its factorization.
13784200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139 (or 48 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 13784200 is about 3712.7079066363. The cubic root of 13784200 is about 239.7694545335.
13784200 divided by its sum of digits (25) gives a cube (551368 = 823).
The spelling of 13784200 in words is "thirteen million, seven hundred eighty-four thousand, two hundred".
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