Base | Representation |
---|---|
bin | 111110010010111… |
… | …0010110000001000 |
3 | 12101200020022211120 |
4 | 1330211302300020 |
5 | 13240103010432 |
6 | 543225555240 |
7 | 102541050411 |
oct | 17445626010 |
9 | 5350208746 |
10 | 2090281992 |
11 | 982a00887 |
12 | 4a4045b20 |
13 | 274097766 |
14 | 15b87a808 |
15 | c3797c2c |
hex | 7c972c08 |
2090281992 has 16 divisors (see below), whose sum is σ = 5225705040. Its totient is φ = 696760656.
The previous prime is 2090281933. The next prime is 2090281993. The reversal of 2090281992 is 2991820902.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2090281993) 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, 43547518 + ... + 43547565.
It is an arithmetic number, because the mean of its divisors is an integer number (326606565).
Almost surely, 22090281992 is an apocalyptic number.
It is an amenable number.
2090281992 is an abundant number, since it is smaller than the sum of its proper divisors (3135423048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2090281992 is a wasteful number, since it uses less digits than its factorization.
2090281992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87095092 (or 87095088 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 42.
The square root of 2090281992 is about 45719.6018355366. The cubic root of 2090281992 is about 1278.6007642730.
The spelling of 2090281992 in words is "two billion, ninety million, two hundred eighty-one thousand, nine hundred ninety-two".
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