Base | Representation |
---|---|
bin | 11110001010001… |
… | …11100101010001 |
3 | 122122001201210000 |
4 | 33011013211101 |
5 | 1004232000032 |
6 | 41034400213 |
7 | 6161315244 |
oct | 1705074521 |
9 | 578051700 |
10 | 253000017 |
11 | 11a8a2726 |
12 | 70890069 |
13 | 4055306a |
14 | 2585b25b |
15 | 17327e7c |
hex | f147951 |
253000017 has 20 divisors (see below), whose sum is σ = 378867456. Its totient is φ = 168252120.
The previous prime is 252999893. The next prime is 253000037. The reversal of 253000017 is 710000352.
253000017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 253000017 - 216 = 252934481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (253000037) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31288 + ... + 38534.
Almost surely, 2253000017 is an apocalyptic number.
253000017 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
253000017 is a deficient number, since it is larger than the sum of its proper divisors (125867439).
253000017 is an equidigital number, since it uses as much as digits as its factorization.
253000017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7690 (or 7681 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 253000017 is about 15905.9742549773. The cubic root of 253000017 is about 632.4703685077.
Adding to 253000017 its reverse (710000352), we get a palindrome (963000369).
The spelling of 253000017 in words is "two hundred fifty-three million, seventeen", and thus it is an aban number.
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