Base | Representation |
---|---|
bin | 111100011100001… |
… | …1000110101010000 |
3 | 12020100010111102122 |
4 | 1320320120311100 |
5 | 13123140011241 |
6 | 533124033412 |
7 | 101154056333 |
oct | 17070306520 |
9 | 5210114378 |
10 | 2028047696 |
11 | 950864284 |
12 | 487232868 |
13 | 26421782c |
14 | 1534ba61a |
15 | bd0a304b |
hex | 78e18d50 |
2028047696 has 20 divisors (see below), whose sum is σ = 3930040500. Its totient is φ = 1013843712.
The previous prime is 2028047653. The next prime is 2028047699. The reversal of 2028047696 is 6967408202.
It can be written as a sum of positive squares in 2 ways, for example, as 888040000 + 1140007696 = 29800^2 + 33764^2 .
It is a super-2 number, since 2×20280476962 = 8225954914501816832, which contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028047699) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172700 + ... + 184068.
It is an arithmetic number, because the mean of its divisors is an integer number (196502025).
Almost surely, 22028047696 is an apocalyptic number.
It is an amenable number.
2028047696 is a deficient number, since it is larger than the sum of its proper divisors (1901992804).
2028047696 is a wasteful number, since it uses less digits than its factorization.
2028047696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22526 (or 22520 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 44.
The square root of 2028047696 is about 45033.8505571087. The cubic root of 2028047696 is about 1265.7833776712.
It can be divided in two parts, 20280 and 47696, that added together give a palindrome (67976).
The spelling of 2028047696 in words is "two billion, twenty-eight million, forty-seven thousand, six hundred ninety-six".
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