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3808928 = 25373217
BaseRepresentation
bin1110100001111010100000
321011111212102
432201322200
51433341203
6213345532
744242514
oct16417240
97144772
103808928
112171782
1213382a8
13a34906
14712144
15503888
hex3a1ea0

3808928 has 24 divisors (see below), whose sum is σ = 7703892. Its totient is φ = 1852416.

The previous prime is 3808913. The next prime is 3808963. The reversal of 3808928 is 8298083.

It can be written as a sum of positive squares in 2 ways, for example, as 3055504 + 753424 = 1748^2 + 868^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3808891 and 3808900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425 + ... + 2792.

Almost surely, 23808928 is an apocalyptic number.

It is an amenable number.

3808928 is an abundant number, since it is smaller than the sum of its proper divisors (3894964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3808928 is a wasteful number, since it uses less digits than its factorization.

3808928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 3808928 is about 1951.6475091573. The cubic root of 3808928 is about 156.1711905501.

The spelling of 3808928 in words is "three million, eight hundred eight thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 3217 6434 12868 25736 51472 102944 119029 238058 476116 952232 1904464 3808928