Base | Representation |
---|---|
bin | 111101010010101… |
… | …010101110011000 |
3 | 2122122221020120202 |
4 | 331102222232120 |
5 | 4101221210033 |
6 | 250012041332 |
7 | 34324303112 |
oct | 7522525630 |
9 | 2578836522 |
10 | 1028303768 |
11 | 4884a5928 |
12 | 248463248 |
13 | 13506a08b |
14 | 9a7d83b2 |
15 | 604228e8 |
hex | 3d4aab98 |
1028303768 has 16 divisors (see below), whose sum is σ = 1929677280. Its totient is φ = 513723168.
The previous prime is 1028303767. The next prime is 1028303789. The reversal of 1028303768 is 8673038201.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028303761) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43280 + ... + 62687.
It is an arithmetic number, because the mean of its divisors is an integer number (120604830).
Almost surely, 21028303768 is an apocalyptic number.
It is an amenable number.
1028303768 is a deficient number, since it is larger than the sum of its proper divisors (901373512).
1028303768 is a wasteful number, since it uses less digits than its factorization.
1028303768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107186 (or 107182 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 1028303768 is about 32067.1758656730. The cubic root of 1028303768 is about 1009.3469516282.
The spelling of 1028303768 in words is "one billion, twenty-eight million, three hundred three thousand, seven hundred sixty-eight".
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