Base | Representation |
---|---|
bin | 101010100011111… |
… | …0011010010000001 |
3 | 10200112020102110100 |
4 | 1111013303102001 |
5 | 10411043432132 |
6 | 353413153013 |
7 | 50250502251 |
oct | 12507632201 |
9 | 3615212410 |
10 | 1428108417 |
11 | 673147a9a |
12 | 33a32b769 |
13 | 199b40788 |
14 | d794b961 |
15 | 8559837c |
hex | 551f3481 |
1428108417 has 24 divisors (see below), whose sum is σ = 2122356704. Its totient is φ = 924986304.
The previous prime is 1428108397. The next prime is 1428108431. The reversal of 1428108417 is 7148018241.
It is not a de Polignac number, because 1428108417 - 27 = 1428108289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1428108467) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27798 + ... + 60240.
Almost surely, 21428108417 is an apocalyptic number.
It is an amenable number.
1428108417 is a deficient number, since it is larger than the sum of its proper divisors (694248287).
1428108417 is a wasteful number, since it uses less digits than its factorization.
1428108417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32589 (or 32586 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The square root of 1428108417 is about 37790.3217371856. The cubic root of 1428108417 is about 1126.1261919424.
The spelling of 1428108417 in words is "one billion, four hundred twenty-eight million, one hundred eight thousand, four hundred seventeen".
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