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4048077769 = 23931691633
BaseRepresentation
bin1111000101001000…
…1100001111001001
3101110010011122202021
43301102030033021
531242301442034
61505404204441
7202213044001
oct36122141711
911403148667
104048077769
11179804181a
1294b839721
134c6885bb8
142a58ab001
1518a5c06b4
hexf148c3c9

4048077769 has 4 divisors (see below), whose sum is σ = 4049771796. Its totient is φ = 4046383744.

The previous prime is 4048077751. The next prime is 4048077773. The reversal of 4048077769 is 9677708404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127690000 + 3920387769 = 11300^2 + 62613^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048077769 - 229 = 3511206857 is a prime.

It is a super-2 number, since 2×40480777692 = 32773867247744034722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048077569) 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, 843424 + ... + 848209.

It is an arithmetic number, because the mean of its divisors is an integer number (1012442949).

Almost surely, 24048077769 is an apocalyptic number.

It is an amenable number.

4048077769 is a deficient number, since it is larger than the sum of its proper divisors (1694027).

4048077769 is a wasteful number, since it uses less digits than its factorization.

4048077769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694026.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 4048077769 is about 63624.5060413046. The cubic root of 4048077769 is about 1593.7356317372.

The spelling of 4048077769 in words is "four billion, forty-eight million, seventy-seven thousand, seven hundred sixty-nine".

Divisors: 1 2393 1691633 4048077769