Base | Representation |
---|---|
bin | 111110101010… |
… | …111110110111 |
3 | 1010220200022212 |
4 | 332222332313 |
5 | 13201211413 |
6 | 1344044035 |
7 | 256433624 |
oct | 76527667 |
9 | 33820285 |
10 | 16428983 |
11 | 930137a |
12 | 560361b |
13 | 3532bbc |
14 | 227934b |
15 | 1697ca8 |
hex | faafb7 |
16428983 has 2 divisors, whose sum is σ = 16428984. Its totient is φ = 16428982.
The previous prime is 16428961. The next prime is 16428989. The reversal of 16428983 is 38982461.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16428983 is a prime.
It is a super-2 number, since 2×164289832 = 539822964828578, which contains 22 as substring.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 16428983.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16428989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214491 + 8214492.
It is an arithmetic number, because the mean of its divisors is an integer number (8214492).
Almost surely, 216428983 is an apocalyptic number.
16428983 is a deficient number, since it is larger than the sum of its proper divisors (1).
16428983 is an equidigital number, since it uses as much as digits as its factorization.
16428983 is an evil number, because the sum of its binary digits is even.
The product of its digits is 82944, while the sum is 41.
The square root of 16428983 is about 4053.2681875247. The cubic root of 16428983 is about 254.2163975191.
The spelling of 16428983 in words is "sixteen million, four hundred twenty-eight thousand, nine hundred eighty-three".
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