Base | Representation |
---|---|
bin | 110100010111… |
… | …100100000001 |
3 | 221211110021111 |
4 | 310113210001 |
5 | 12003244001 |
6 | 1210123321 |
7 | 224454220 |
oct | 64274401 |
9 | 27743244 |
10 | 13728001 |
11 | 7827061 |
12 | 4720541 |
13 | 2ac86a1 |
14 | 1b74cb7 |
15 | 1312851 |
hex | d17901 |
13728001 has 8 divisors (see below), whose sum is σ = 15713984. Its totient is φ = 11748240.
The previous prime is 13727981. The next prime is 13728037. The reversal of 13728001 is 10082731.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13728001 - 27 = 13727873 is a prime.
It is a super-2 number, since 2×137280012 = 376916022912002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13728041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071 + ... + 7291.
It is an arithmetic number, because the mean of its divisors is an integer number (1964248).
Almost surely, 213728001 is an apocalyptic number.
It is an amenable number.
13728001 is a deficient number, since it is larger than the sum of its proper divisors (1985983).
13728001 is an equidigital number, since it uses as much as digits as its factorization.
13728001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3111.
The product of its (nonzero) digits is 336, while the sum is 22.
The square root of 13728001 is about 3705.1317115590. The cubic root of 13728001 is about 239.4431592657.
The spelling of 13728001 in words is "thirteen million, seven hundred twenty-eight thousand, one".
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