Base | Representation |
---|---|
bin | 111100000101010100100 |
3 | 10201000200200 |
4 | 13200222210 |
5 | 1001000204 |
6 | 110110500 |
7 | 22506645 |
oct | 7405244 |
9 | 3630620 |
10 | 1968804 |
11 | 1125212 |
12 | 7ab430 |
13 | 53c196 |
14 | 3936cc |
15 | 28d539 |
hex | 1e0aa4 |
1968804 has 36 divisors (see below), whose sum is σ = 5271084. Its totient is φ = 617472.
The previous prime is 1968803. The next prime is 1968817. The reversal of 1968804 is 4088691.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 304704 = 1290^2 + 552^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1968803) 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, 997 + ... + 2220.
It is an arithmetic number, because the mean of its divisors is an integer number (146419).
21968804 is an apocalyptic number.
It is an amenable number.
1968804 is an abundant number, since it is smaller than the sum of its proper divisors (3302280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968804 is a wasteful number, since it uses less digits than its factorization.
1968804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3244 (or 3239 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 1968804 is about 1403.1407627177. The cubic root of 1968804 is about 125.3335942603. Note that the first 3 decimals are identical.
It can be divided in two parts, 1968 and 804, that added together give a palindrome (2772).
The spelling of 1968804 in words is "one million, nine hundred sixty-eight thousand, eight hundred four".
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