Base | Representation |
---|---|
bin | 111100011101000… |
… | …0000010011001010 |
3 | 12020100221000210000 |
4 | 1320322000103022 |
5 | 13123242041443 |
6 | 533141103430 |
7 | 101160503034 |
oct | 17072002312 |
9 | 5210830700 |
10 | 2028471498 |
11 | 951023729 |
12 | 4873b7b76 |
13 | 2643356c1 |
14 | 15358ac54 |
15 | bd1388d3 |
hex | 78e804ca |
2028471498 has 80 divisors (see below), whose sum is σ = 4738735584. Its totient is φ = 647935200.
The previous prime is 2028471479. The next prime is 2028471503. The reversal of 2028471498 is 8941748202.
It is a super-2 number, since 2×20284714982 = 8229393236396728008, which contains 22 as substring.
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 39 ways as a sum of consecutive naturals, for example, 399073 + ... + 404123.
Almost surely, 22028471498 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2028471498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369367792).
2028471498 is an abundant number, since it is smaller than the sum of its proper divisors (2710264086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028471498 is a wasteful number, since it uses less digits than its factorization.
2028471498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5169 (or 5160 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 2028471498 is about 45038.5556828813. Note that the first 3 decimals coincide. The cubic root of 2028471498 is about 1265.8715419626.
The spelling of 2028471498 in words is "two billion, twenty-eight million, four hundred seventy-one thousand, four hundred ninety-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •