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4049067988 = 227144609571
BaseRepresentation
bin1111000101010111…
…1101111111010100
3101110012000222002001
43301111331333110
531243030133423
61505441325044
7202224336640
oct36125757724
911405028061
104049067988
111798658789
12950036784
134c6b41824
142a5a87c20
1518a718cad
hexf157dfd4

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".

Divisors: 1 2 4 7 14 28 144609571 289219142 578438284 1012266997 2024533994 4049067988