Base | Representation |
---|---|
bin | 111100110111010110110 |
3 | 10202022211111 |
4 | 13212322312 |
5 | 1002310142 |
6 | 110425234 |
7 | 22644433 |
oct | 7467266 |
9 | 3668744 |
10 | 1994422 |
11 | 1142491 |
12 | 80221a |
13 | 54aa41 |
14 | 39cb8a |
15 | 295e17 |
hex | 1e6eb6 |
1994422 has 16 divisors (see below), whose sum is σ = 3151872. Its totient is φ = 944680.
The previous prime is 1994413. The next prime is 1994429. The reversal of 1994422 is 2244991.
It is a happy number.
It is a super-2 number, since 2×19944222 = 7955438228168, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1994429) 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, 8673 + ... + 8899.
It is an arithmetic number, because the mean of its divisors is an integer number (196992).
21994422 is an apocalyptic number.
1994422 is a deficient number, since it is larger than the sum of its proper divisors (1157450).
1994422 is a wasteful number, since it uses less digits than its factorization.
1994422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443.
The product of its digits is 5184, while the sum is 31.
The square root of 1994422 is about 1412.2400645783. The cubic root of 1994422 is about 125.8748652677.
It can be divided in two parts, 199 and 4422, that multiplied together give a palindrome (879978).
The spelling of 1994422 in words is "one million, nine hundred ninety-four thousand, four hundred twenty-two".
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