Base | Representation |
---|---|
bin | 11010000111001010011000 |
3 | 110212202200111 |
4 | 122013022120 |
5 | 3223020310 |
6 | 402414104 |
7 | 112116334 |
oct | 32071230 |
9 | 13782614 |
10 | 6845080 |
11 | 39558a0 |
12 | 2361334 |
13 | 1558858 |
14 | ca27c4 |
15 | 90328a |
hex | 687298 |
6845080 has 64 divisors (see below), whose sum is σ = 17210880. Its totient is φ = 2428800.
The previous prime is 6845063. The next prime is 6845081. The reversal of 6845080 is 805486.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6845081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20515 + ... + 20845.
It is an arithmetic number, because the mean of its divisors is an integer number (268920).
Almost surely, 26845080 is an apocalyptic number.
6845080 is the 1655-th heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6845080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8605440).
6845080 is an abundant number, since it is smaller than the sum of its proper divisors (10365800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6845080 is a wasteful number, since it uses less digits than its factorization.
6845080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 6845080 is about 2616.3103791408. The cubic root of 6845080 is about 189.8713810962.
The spelling of 6845080 in words is "six million, eight hundred forty-five thousand, eighty".
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