Base | Representation |
---|---|
bin | 101011011100… |
… | …010011101101 |
3 | 210102120121000 |
4 | 223130103231 |
5 | 10403410031 |
6 | 1044030513 |
7 | 165540402 |
oct | 53342355 |
9 | 23376530 |
10 | 11388141 |
11 | 6479096 |
12 | 3992439 |
13 | 248965b |
14 | 17262a9 |
15 | eee3e6 |
hex | adc4ed |
11388141 has 8 divisors (see below), whose sum is σ = 16871360. Its totient is φ = 7592076.
The previous prime is 11388137. The next prime is 11388161. The reversal of 11388141 is 14188311.
It is not a de Polignac number, because 11388141 - 22 = 11388137 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 421783 = 11388141 / (1 + 1 + 3 + 8 + 8 + 1 + 4 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11388161) 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, 210865 + ... + 210918.
It is an arithmetic number, because the mean of its divisors is an integer number (2108920).
Almost surely, 211388141 is an apocalyptic number.
It is an amenable number.
11388141 is a deficient number, since it is larger than the sum of its proper divisors (5483219).
11388141 is an equidigital number, since it uses as much as digits as its factorization.
11388141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421792 (or 421786 counting only the distinct ones).
The product of its digits is 768, while the sum is 27.
The square root of 11388141 is about 3374.6319799350. The cubic root of 11388141 is about 224.9836432554.
The spelling of 11388141 in words is "eleven million, three hundred eighty-eight thousand, one hundred forty-one".
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