Base | Representation |
---|---|
bin | 111011001101000111011 |
3 | 10122120012212 |
4 | 13121220323 |
5 | 444040102 |
6 | 105325335 |
7 | 22330025 |
oct | 7315073 |
9 | 3576185 |
10 | 1940027 |
11 | 1105631 |
12 | 79684b |
13 | 52c05b |
14 | 387015 |
15 | 284c52 |
hex | 1d9a3b |
1940027 has 4 divisors (see below), whose sum is σ = 2024400. Its totient is φ = 1855656.
The previous prime is 1939999. The next prime is 1940041. The reversal of 1940027 is 7200491.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7200491 = 157 ⋅45863.
It is a cyclic number.
It is not a de Polignac number, because 1940027 - 28 = 1939771 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 84349 = 1940027 / (1 + 9 + 4 + 0 + 0 + 2 + 7).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1939984 and 1940011.
It is not an unprimeable number, because it can be changed into a prime (1940047) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 42152 + ... + 42197.
It is an arithmetic number, because the mean of its divisors is an integer number (506100).
21940027 is an apocalyptic number.
1940027 is a deficient number, since it is larger than the sum of its proper divisors (84373).
1940027 is an equidigital number, since it uses as much as digits as its factorization.
1940027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84372.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 1940027 is about 1392.8485201198. The cubic root of 1940027 is about 124.7199490402.
The spelling of 1940027 in words is "one million, nine hundred forty thousand, twenty-seven".
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