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4048247809 = 311272574001
BaseRepresentation
bin1111000101001011…
…0101110000000001
3101110010111022000001
43301102311300001
531242322412214
61505412000001
7202214352514
oct36122656001
911403438001
104048247809
111798148551
1294b900001
134c6915408
142a5912d7b
1518a605c74
hexf14b5c01

4048247809 has 16 divisors (see below), whose sum is σ = 4229185536. Its totient is φ = 3870720000.

The previous prime is 4048247807. The next prime is 4048247867. The reversal of 4048247809 is 9087428404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4048247809 - 21 = 4048247807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048247807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009809 + ... + 1013809.

It is an arithmetic number, because the mean of its divisors is an integer number (264324096).

Almost surely, 24048247809 is an apocalyptic number.

It is an amenable number.

4048247809 is a deficient number, since it is larger than the sum of its proper divisors (180937727).

4048247809 is a wasteful number, since it uses less digits than its factorization.

4048247809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 4048247809 is about 63625.8423048371. The cubic root of 4048247809 is about 1593.7579464446.

The spelling of 4048247809 in words is "four billion, forty-eight million, two hundred forty-seven thousand, eight hundred nine".

Divisors: 1 31 127 257 3937 4001 7967 32639 124031 508127 1011809 1028257 15751937 31875967 130588639 4048247809