Base | Representation |
---|---|
bin | 111101000011000… |
… | …010110101111101 |
3 | 2122101020011121000 |
4 | 331003002311331 |
5 | 4044144131003 |
6 | 245344200513 |
7 | 34244424615 |
oct | 7503026575 |
9 | 2571204530 |
10 | 1024208253 |
11 | 486158902 |
12 | 247009139 |
13 | 134264bb3 |
14 | 9a04da45 |
15 | 5edb41a3 |
hex | 3d0c2d7d |
1024208253 has 8 divisors (see below), whose sum is σ = 1517345600. Its totient is φ = 682805484.
The previous prime is 1024208221. The next prime is 1024208293. The reversal of 1024208253 is 3528024201.
It is not a de Polignac number, because 1024208253 - 25 = 1024208221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 37933639 = 1024208253 / (1 + 0 + 2 + 4 + 2 + 0 + 8 + 2 + 5 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1024208203) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 18966793 + ... + 18966846.
It is an arithmetic number, because the mean of its divisors is an integer number (189668200).
Almost surely, 21024208253 is an apocalyptic number.
It is an amenable number.
1024208253 is a deficient number, since it is larger than the sum of its proper divisors (493137347).
1024208253 is an equidigital number, since it uses as much as digits as its factorization.
1024208253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37933648 (or 37933642 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 1024208253 is about 32003.2537877010. The cubic root of 1024208253 is about 1008.0051640183.
The spelling of 1024208253 in words is "one billion, twenty-four million, two hundred eight thousand, two hundred fifty-three".
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