Base | Representation |
---|---|
bin | 10010111101001… |
… | …011100100010101 |
3 | 211011102111110210 |
4 | 102331023210111 |
5 | 1122403344203 |
6 | 51320240033 |
7 | 10611123330 |
oct | 2275134425 |
9 | 734374423 |
10 | 318028053 |
11 | 153578202 |
12 | 8a610019 |
13 | 50b707a5 |
14 | 30347617 |
15 | 1cdc0803 |
hex | 12f4b915 |
318028053 has 16 divisors (see below), whose sum is σ = 489322496. Its totient is φ = 179964720.
The previous prime is 318028049. The next prime is 318028057. The reversal of 318028053 is 350820813.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (318028049) and next prime (318028057).
It is not a de Polignac number, because 318028053 - 22 = 318028049 is a prime.
It is a super-2 number, since 2×3180280532 = 202283684989941618, which contains 22 as substring.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 318028053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (318028057) 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, 71353 + ... + 75678.
It is an arithmetic number, because the mean of its divisors is an integer number (30582656).
Almost surely, 2318028053 is an apocalyptic number.
It is an amenable number.
318028053 is a deficient number, since it is larger than the sum of its proper divisors (171294443).
318028053 is a wasteful number, since it uses less digits than its factorization.
318028053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147144.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 318028053 is about 17833.3410498426. The cubic root of 318028053 is about 682.5824902642.
Adding to 318028053 its reverse (350820813), we get a palindrome (668848866).
The spelling of 318028053 in words is "three hundred eighteen million, twenty-eight thousand, fifty-three".
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