Base | Representation |
---|---|
bin | 111001100111100101010 |
3 | 10112220220111 |
4 | 13030330222 |
5 | 440404132 |
6 | 104244534 |
7 | 22022332 |
oct | 7147452 |
9 | 3486814 |
10 | 1888042 |
11 | 107a572 |
12 | 77074a |
13 | 5114b0 |
14 | 3720c2 |
15 | 274647 |
hex | 1ccf2a |
1888042 has 8 divisors (see below), whose sum is σ = 3049956. Its totient is φ = 871392.
The previous prime is 1888031. The next prime is 1888043. The reversal of 1888042 is 2408881.
It can be written as a sum of positive squares in 2 ways, for example, as 1852321 + 35721 = 1361^2 + 189^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 1887995 and 1888013.
It is not an unprimeable number, because it can be changed into a prime (1888043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36283 + ... + 36334.
21888042 is an apocalyptic number.
1888042 is a deficient number, since it is larger than the sum of its proper divisors (1161914).
1888042 is a wasteful number, since it uses less digits than its factorization.
1888042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72632.
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 1888042 is about 1374.0604062413. The cubic root of 1888042 is about 123.5958485984.
The spelling of 1888042 in words is "one million, eight hundred eighty-eight thousand, forty-two".
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