Base | Representation |
---|---|
bin | 11010100010010011… |
… | …100110010100100101 |
3 | 2201112201022202220010 |
4 | 122202103212110211 |
5 | 431323132203334 |
6 | 21031152400433 |
7 | 2026036142616 |
oct | 324223462445 |
9 | 81481282803 |
10 | 28492850469 |
11 | 110a1520306 |
12 | 5632246119 |
13 | 28c106b845 |
14 | 1544203c0d |
15 | b1b66b0e9 |
hex | 6a24e6525 |
28492850469 has 16 divisors (see below), whose sum is σ = 38100050240. Its totient is φ = 18940521600.
The previous prime is 28492850429. The next prime is 28492850473. The reversal of 28492850469 is 96405829482.
It is a happy number.
It is not a de Polignac number, because 28492850469 - 28 = 28492850213 is a prime.
It is a super-2 number, since 2×284928504692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28492850429) 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, 1539579 + ... + 1557975.
It is an arithmetic number, because the mean of its divisors is an integer number (2381253140).
Almost surely, 228492850469 is an apocalyptic number.
It is an amenable number.
28492850469 is a deficient number, since it is larger than the sum of its proper divisors (9607199771).
28492850469 is a wasteful number, since it uses less digits than its factorization.
28492850469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19860.
The product of its (nonzero) digits is 9953280, while the sum is 57.
The spelling of 28492850469 in words is "twenty-eight billion, four hundred ninety-two million, eight hundred fifty thousand, four hundred sixty-nine".
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