Base | Representation |
---|---|
bin | 101011011111… |
… | …100001001010 |
3 | 210110020122000 |
4 | 223133201022 |
5 | 10404320130 |
6 | 1044211430 |
7 | 165623625 |
oct | 53374112 |
9 | 23406560 |
10 | 11401290 |
11 | 6487a5a |
12 | 3999b76 |
13 | 2492634 |
14 | 172adbc |
15 | 1003260 |
hex | adf84a |
11401290 has 32 divisors (see below), whose sum is σ = 30404160. Its totient is φ = 3040272.
The previous prime is 11401289. The next prime is 11401303. The reversal of 11401290 is 9210411.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon 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, 20844 + ... + 21383.
It is an arithmetic number, because the mean of its divisors is an integer number (950130).
Almost surely, 211401290 is an apocalyptic number.
11401290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11401290 is an abundant number, since it is smaller than the sum of its proper divisors (19002870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11401290 is a wasteful number, since it uses less digits than its factorization.
11401290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42243 (or 42237 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 11401290 is about 3376.5796303360. The cubic root of 11401290 is about 225.0702003173.
The spelling of 11401290 in words is "eleven million, four hundred one thousand, two hundred ninety".
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