Base | Representation |
---|---|
bin | 111100110110110111001 |
3 | 10202022111010 |
4 | 13212312321 |
5 | 1002303134 |
6 | 110424133 |
7 | 22643622 |
oct | 7466671 |
9 | 3668433 |
10 | 1994169 |
11 | 1142281 |
12 | 802049 |
13 | 54a8a8 |
14 | 39ca49 |
15 | 295ce9 |
hex | 1e6db9 |
1994169 has 8 divisors (see below), whose sum is σ = 2774592. Its totient is φ = 1271600.
The previous prime is 1994143. The next prime is 1994191. The reversal of 1994169 is 9614991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1994169 - 29 = 1993657 is a prime.
It is a super-2 number, since 2×19941692 = 7953420001122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1994119) 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, 14382 + ... + 14519.
It is an arithmetic number, because the mean of its divisors is an integer number (346824).
21994169 is an apocalyptic number.
It is an amenable number.
1994169 is a deficient number, since it is larger than the sum of its proper divisors (780423).
1994169 is a wasteful number, since it uses less digits than its factorization.
1994169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28927.
The product of its digits is 17496, while the sum is 39.
The square root of 1994169 is about 1412.1504877314. The cubic root of 1994169 is about 125.8695424745.
It can be divided in two parts, 19941 and 69, that multiplied together give a square (1375929 = 11732).
The spelling of 1994169 in words is "one million, nine hundred ninety-four thousand, one hundred sixty-nine".
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