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3840008 = 233712973
BaseRepresentation
bin1110101001100000001000
321020002111112
432221200020
51440340013
6214145452
744432234
oct16514010
97202445
103840008
112193067
121352288
13a45ac3
1471d5c4
1550cba8
hex3a9808

3840008 has 16 divisors (see below), whose sum is σ = 7395180. Its totient is φ = 1867968.

The previous prime is 3840007. The next prime is 3840017. The reversal of 3840008 is 8000483.

It can be written as a sum of positive squares in 2 ways, for example, as 3771364 + 68644 = 1942^2 + 262^2 .

It is a super-2 number, since 2×38400082 = 29491322880128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3840007) 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, 6191 + ... + 6782.

Almost surely, 23840008 is an apocalyptic number.

It is an amenable number.

3840008 is a deficient number, since it is larger than the sum of its proper divisors (3555172).

3840008 is a wasteful number, since it uses less digits than its factorization.

3840008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016 (or 13012 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 3840008 is about 1959.5938354669. The cubic root of 3840008 is about 156.5948143930.

The spelling of 3840008 in words is "three million, eight hundred forty thousand, eight".