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2048326857 = 32821277213
BaseRepresentation
bin111101000010110…
…1111110011001001
312021202021210012200
41322011233303021
513143332424412
6535130430413
7101521330263
oct17205576311
95252253180
102048326857
11961255315
12491b92409
13268498035
14156078b33
15bec5b9dc
hex7a16fcc9

2048326857 has 12 divisors (see below), whose sum is σ = 2962308804. Its totient is φ = 1363883040.

The previous prime is 2048326849. The next prime is 2048326859. The reversal of 2048326857 is 7586238402.

It can be written as a sum of positive squares in 2 ways, for example, as 1027907721 + 1020419136 = 32061^2 + 31944^2 .

It is not a de Polignac number, because 2048326857 - 23 = 2048326849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2048326859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131218 + ... + 145995.

It is an arithmetic number, because the mean of its divisors is an integer number (246859067).

Almost surely, 22048326857 is an apocalyptic number.

It is an amenable number.

2048326857 is a deficient number, since it is larger than the sum of its proper divisors (913981947).

2048326857 is a wasteful number, since it uses less digits than its factorization.

2048326857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278040 (or 278037 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 2048326857 is about 45258.4451456300. The cubic root of 2048326857 is about 1269.9883969841.

The spelling of 2048326857 in words is "two billion, forty-eight million, three hundred twenty-six thousand, eight hundred fifty-seven".

Divisors: 1 3 9 821 2463 7389 277213 831639 2494917 227591873 682775619 2048326857