Base | Representation |
---|---|
bin | 11011110011110010001100 |
3 | 111201100222212 |
4 | 123303302030 |
5 | 3331234441 |
6 | 420125552 |
7 | 115651430 |
oct | 33636214 |
9 | 14640885 |
10 | 7289996 |
11 | 412a09a |
12 | 25368b8 |
13 | 168320c |
14 | d7a9c0 |
15 | 98eeeb |
hex | 6f3c8c |
7289996 has 48 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 2903040.
The previous prime is 7289993. The next prime is 7290001. The reversal of 7289996 is 6999827.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (7289993) 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 15 ways as a sum of consecutive naturals, for example, 37676 + ... + 37868.
It is an arithmetic number, because the mean of its divisors is an integer number (325920).
Almost surely, 27289996 is an apocalyptic number.
7289996 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7289996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7822080).
7289996 is an abundant number, since it is smaller than the sum of its proper divisors (8354164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7289996 is a wasteful number, since it uses less digits than its factorization.
7289996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294 (or 292 counting only the distinct ones).
The product of its digits is 489888, while the sum is 50.
The square root of 7289996 is about 2699.9992592592. Note that the first 3 decimals coincide. The cubic root of 7289996 is about 193.8990866389.
The spelling of 7289996 in words is "seven million, two hundred eighty-nine thousand, nine hundred ninety-six".
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