Base | Representation |
---|---|
bin | 11110111111101111110001 |
3 | 120021210222200 |
4 | 132333233301 |
5 | 4040003200 |
6 | 450053413 |
7 | 126031200 |
oct | 36775761 |
9 | 16253880 |
10 | 8125425 |
11 | 464a830 |
12 | 287a269 |
13 | 18b6559 |
14 | 1117237 |
15 | aa7800 |
hex | 7bfbf1 |
8125425 has 108 divisors (see below), whose sum is σ = 18744336. Its totient is φ = 3326400.
The previous prime is 8125391. The next prime is 8125427. The reversal of 8125425 is 5245218.
It is a happy number.
It is not a de Polignac number, because 8125425 - 210 = 8124401 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8125427) by changing a digit.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 121242 + ... + 121308.
Almost surely, 28125425 is an apocalyptic number.
It is an amenable number.
8125425 is an abundant number, since it is smaller than the sum of its proper divisors (10618911).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8125425 is a wasteful number, since it uses less digits than its factorization.
8125425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108 (or 93 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 8125425 is about 2850.5131117046. The cubic root of 8125425 is about 201.0397931164.
The spelling of 8125425 in words is "eight million, one hundred twenty-five thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •