Base | Representation |
---|---|
bin | 110001001011101… |
… | …011110001111101 |
3 | 2010111122210012020 |
4 | 301023223301331 |
5 | 3142214141433 |
6 | 213513430353 |
7 | 26306425623 |
oct | 6113536175 |
9 | 2114583166 |
10 | 825146493 |
11 | 393856856 |
12 | 1b040b3b9 |
13 | 101c48982 |
14 | 7b833513 |
15 | 4c692cb3 |
hex | 312ebc7d |
825146493 has 16 divisors (see below), whose sum is σ = 1176230016. Its totient is φ = 512709120.
The previous prime is 825146477. The next prime is 825146519. The reversal of 825146493 is 394641528.
It is not a de Polignac number, because 825146493 - 24 = 825146477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (825106493) 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, 73288 + ... + 83793.
It is an arithmetic number, because the mean of its divisors is an integer number (73514376).
Almost surely, 2825146493 is an apocalyptic number.
It is an amenable number.
825146493 is a deficient number, since it is larger than the sum of its proper divisors (351083523).
825146493 is a wasteful number, since it uses less digits than its factorization.
825146493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157204.
The product of its digits is 207360, while the sum is 42.
The square root of 825146493 is about 28725.3632353013. The cubic root of 825146493 is about 937.9442371792.
The spelling of 825146493 in words is "eight hundred twenty-five million, one hundred forty-six thousand, four hundred ninety-three".
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