Base | Representation |
---|---|
bin | 11010001111110100100001 |
3 | 110221120100000 |
4 | 122033310201 |
5 | 3230134140 |
6 | 403250213 |
7 | 112324620 |
oct | 32176441 |
9 | 13846300 |
10 | 6880545 |
11 | 397a501 |
12 | 2379969 |
13 | 156ba39 |
14 | cb16b7 |
15 | 90da30 |
hex | 68fd21 |
6880545 has 48 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 3141504.
The previous prime is 6880541. The next prime is 6880547. The reversal of 6880545 is 5450886.
It is a happy number.
6880545 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 6880545 - 22 = 6880541 is a prime.
It is not an unprimeable number, because it can be changed into a prime (6880541) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8101 + ... + 8909.
It is an arithmetic number, because the mean of its divisors is an integer number (294840).
Almost surely, 26880545 is an apocalyptic number.
It is an amenable number.
6880545 is an abundant number, since it is smaller than the sum of its proper divisors (7271775).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6880545 is an equidigital number, since it uses as much as digits as its factorization.
6880545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836 (or 824 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 6880545 is about 2623.0792973145. The cubic root of 6880545 is about 190.1987302008.
The spelling of 6880545 in words is "six million, eight hundred eighty thousand, five hundred forty-five".
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