Base | Representation |
---|---|
bin | 111101010010001… |
… | …000010101100100 |
3 | 2122122200002101000 |
4 | 331102020111210 |
5 | 4101202203131 |
6 | 250005033300 |
7 | 34323145344 |
oct | 7522102544 |
9 | 2578602330 |
10 | 1028162916 |
11 | 48840a020 |
12 | 2483b5830 |
13 | 13501ac31 |
14 | 9a79cd24 |
15 | 603e5ce6 |
hex | 3d488564 |
1028162916 has 48 divisors (see below), whose sum is σ = 2907938880. Its totient is φ = 311564160.
The previous prime is 1028162909. The next prime is 1028162939. The reversal of 1028162916 is 6192618201.
1028162916 is a `hidden beast` number, since 1 + 0 + 28 + 1 + 629 + 1 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431541 + ... + 433916.
It is an arithmetic number, because the mean of its divisors is an integer number (60582060).
Almost surely, 21028162916 is an apocalyptic number.
It is an amenable number.
1028162916 is an abundant number, since it is smaller than the sum of its proper divisors (1879775964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028162916 is a wasteful number, since it uses less digits than its factorization.
1028162916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 865481 (or 865473 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 1028162916 is about 32064.9795883297. The cubic root of 1028162916 is about 1009.3008643944.
The spelling of 1028162916 in words is "one billion, twenty-eight million, one hundred sixty-two thousand, nine hundred sixteen".
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