Base | Representation |
---|---|
bin | 10111111101100… |
… | …00010111101001 |
3 | 112000012212202012 |
4 | 23332300113221 |
5 | 402424003200 |
6 | 31540045305 |
7 | 4660322033 |
oct | 1376602751 |
9 | 460185665 |
10 | 201000425 |
11 | a350665a |
12 | 57393835 |
13 | 32847782 |
14 | 1c9a2c53 |
15 | 129a5a35 |
hex | bfb05e9 |
201000425 has 6 divisors (see below), whose sum is σ = 249240558. Its totient is φ = 160800320.
The previous prime is 201000389. The next prime is 201000439. The reversal of 201000425 is 524000102.
It can be written as a sum of positive squares in 3 ways, for example, as 183184 + 200817241 = 428^2 + 14171^2 .
It is not a de Polignac number, because 201000425 - 212 = 200996329 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4019984 + ... + 4020033.
It is an arithmetic number, because the mean of its divisors is an integer number (41540093).
Almost surely, 2201000425 is an apocalyptic number.
201000425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
201000425 is a deficient number, since it is larger than the sum of its proper divisors (48240133).
201000425 is an equidigital number, since it uses as much as digits as its factorization.
201000425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8040027 (or 8040022 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 201000425 is about 14177.4618673442. The cubic root of 201000425 is about 585.7770131256. Note that the first 3 decimals are identical.
Adding to 201000425 its reverse (524000102), we get a palindrome (725000527).
The spelling of 201000425 in words is "two hundred one million, four hundred twenty-five", and thus it is an aban number.
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