Base | Representation |
---|---|
bin | 101011100100110000001 |
3 | 2200112122000 |
4 | 11130212001 |
5 | 331142331 |
6 | 50334213 |
7 | 15064542 |
oct | 5344601 |
9 | 2615560 |
10 | 1427841 |
11 | 895838 |
12 | 58a369 |
13 | 3acb9c |
14 | 2924c9 |
15 | 1d30e6 |
hex | 15c981 |
1427841 has 8 divisors (see below), whose sum is σ = 2115360. Its totient is φ = 951876.
The previous prime is 1427821. The next prime is 1427843. The reversal of 1427841 is 1487241.
It is not a de Polignac number, because 1427841 - 25 = 1427809 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: 52883 = 1427841 / (1 + 4 + 2 + 7 + 8 + 4 + 1).
It is a Curzon number.
1427841 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1427843) 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, 26415 + ... + 26468.
It is an arithmetic number, because the mean of its divisors is an integer number (264420).
21427841 is an apocalyptic number.
It is an amenable number.
1427841 is a deficient number, since it is larger than the sum of its proper divisors (687519).
1427841 is an equidigital number, since it uses as much as digits as its factorization.
1427841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52892 (or 52886 counting only the distinct ones).
The product of its digits is 1792, while the sum is 27.
The square root of 1427841 is about 1194.9230100722. The cubic root of 1427841 is about 112.6055897539.
The spelling of 1427841 in words is "one million, four hundred twenty-seven thousand, eight hundred forty-one".
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