Base | Representation |
---|---|
bin | 111011110001011… |
… | …0000000000000000 |
3 | 12011202212221112010 |
4 | 1313202300000000 |
5 | 13101413120313 |
6 | 531002532520 |
7 | 100462206045 |
oct | 16742600000 |
9 | 5152787463 |
10 | 2005598208 |
11 | 93a120689 |
12 | 47b807140 |
13 | 25c687503 |
14 | 1505151cc |
15 | bb11b4c3 |
hex | 778b0000 |
2005598208 has 102 divisors (see below), whose sum is σ = 5401698052. Its totient is φ = 661913600.
The previous prime is 2005598207. The next prime is 2005598249. The reversal of 2005598208 is 8028955002.
It is a super-2 number, since 2×20055982082 = 8044848343865622528, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (2005598207) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19857358 + ... + 19857458.
Almost surely, 22005598208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2005598208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700849026).
2005598208 is an abundant number, since it is smaller than the sum of its proper divisors (3396099844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2005598208 is an frugal number, since it uses more digits than its factorization.
2005598208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237 (or 106 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 39.
The square root of 2005598208 is about 44783.9056805009. The cubic root of 2005598208 is about 1261.0955047852.
The spelling of 2005598208 in words is "two billion, five million, five hundred ninety-eight thousand, two hundred eight".
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