Base | Representation |
---|---|
bin | 111001100111100000001 |
3 | 10112220211222 |
4 | 13030330001 |
5 | 440404001 |
6 | 104244425 |
7 | 22022243 |
oct | 7147401 |
9 | 3486758 |
10 | 1888001 |
11 | 107a535 |
12 | 770715 |
13 | 51147b |
14 | 372093 |
15 | 27461b |
hex | 1ccf01 |
1888001 has 12 divisors (see below), whose sum is σ = 2043888. Its totient is φ = 1742664.
The previous prime is 1887967. The next prime is 1888031. The reversal of 1888001 is 1008881.
It is a de Polignac number, because none of the positive numbers 2k-1888001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1888031) 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, 22706 + ... + 22788.
It is an arithmetic number, because the mean of its divisors is an integer number (170324).
21888001 is an apocalyptic number.
It is an amenable number.
1888001 is a deficient number, since it is larger than the sum of its proper divisors (155887).
1888001 is an equidigital number, since it uses as much as digits as its factorization.
1888001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 26.
The square root of 1888001 is about 1374.0454868744. The cubic root of 1888001 is about 123.5949539384.
The spelling of 1888001 in words is "one million, eight hundred eighty-eight thousand, one".
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