Base | Representation |
---|---|
bin | 11011000001110110000000 |
3 | 111022222101201 |
4 | 123001312000 |
5 | 3303213230 |
6 | 411510544 |
7 | 114140155 |
oct | 33016600 |
9 | 14288351 |
10 | 7085440 |
11 | 3aaa43a |
12 | 2458454 |
13 | 161108b |
14 | d2622c |
15 | 94e5ca |
hex | 6c1d80 |
7085440 has 32 divisors (see below), whose sum is σ = 16940160. Its totient is φ = 2833920.
The previous prime is 7085437. The next prime is 7085443. The reversal of 7085440 is 445807.
It is an interprime number because it is at equal distance from previous prime (7085437) and next prime (7085443).
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 7085399 and 7085408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7085443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4896 + ... + 6175.
It is an arithmetic number, because the mean of its divisors is an integer number (529380).
Almost surely, 27085440 is an apocalyptic number.
It is an amenable number.
7085440 is an abundant number, since it is smaller than the sum of its proper divisors (9854720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7085440 is a wasteful number, since it uses less digits than its factorization.
7085440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11090 (or 11078 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 7085440 is about 2661.8489814413. The cubic root of 7085440 is about 192.0682627643.
The spelling of 7085440 in words is "seven million, eighty-five thousand, four hundred forty".
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