Base | Representation |
---|---|
bin | 1111000101010111… |
… | …1101111111010100 |
3 | 101110012000222002001 |
4 | 3301111331333110 |
5 | 31243030133423 |
6 | 1505441325044 |
7 | 202224336640 |
oct | 36125757724 |
9 | 11405028061 |
10 | 4049067988 |
11 | 1798658789 |
12 | 950036784 |
13 | 4c6b41824 |
14 | 2a5a87c20 |
15 | 18a718cad |
hex | f157dfd4 |
4049067988 has 12 divisors (see below), whose sum is σ = 8098136032. Its totient is φ = 1735314840.
The previous prime is 4049067983. The next prime is 4049067991. The reversal of 4049067988 is 8897609404.
4049067988 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4049067983) 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, 72304758 + ... + 72304813.
Almost surely, 24049067988 is an apocalyptic number.
It is an amenable number.
4049067988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4049067988 is a wasteful number, since it uses less digits than its factorization.
4049067988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144609582 (or 144609580 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 55.
The square root of 4049067988 is about 63632.2873076239. The cubic root of 4049067988 is about 1593.8655714873.
The spelling of 4049067988 in words is "four billion, forty-nine million, sixty-seven thousand, nine hundred eighty-eight".
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