Base | Representation |
---|---|
bin | 11111100000110001110101 |
3 | 120112200120210 |
4 | 133200301311 |
5 | 4103320400 |
6 | 453020033 |
7 | 130133514 |
oct | 37406165 |
9 | 16480523 |
10 | 8260725 |
11 | 4732450 |
12 | 2924619 |
13 | 1933005 |
14 | 115067b |
15 | ad2950 |
hex | 7e0c75 |
8260725 has 96 divisors (see below), whose sum is σ = 17141760. Its totient is φ = 3456000.
The previous prime is 8260723. The next prime is 8260771. The reversal of 8260725 is 5270628.
8260725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8260725 - 21 = 8260723 is a prime.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 8260692 and 8260701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8260723) 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 95 ways as a sum of consecutive naturals, for example, 266460 + ... + 266490.
It is an arithmetic number, because the mean of its divisors is an integer number (178560).
Almost surely, 28260725 is an apocalyptic number.
8260725 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8260725 is an abundant number, since it is smaller than the sum of its proper divisors (8881035).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8260725 is a wasteful number, since it uses less digits than its factorization.
8260725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91 (or 86 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 8260725 is about 2874.1476997538. The cubic root of 8260725 is about 202.1495233162.
The spelling of 8260725 in words is "eight million, two hundred sixty thousand, seven hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •