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3800864 = 25412897
BaseRepresentation
bin1110011111111100100000
321011002210202
432133330200
51433111424
6213244332
744210144
oct16377440
97132722
103800864
112166711
1213336a8
13a31042
1470d224
155012ae
hex39ff20

3800864 has 24 divisors (see below), whose sum is σ = 7668108. Its totient is φ = 1853440.

The previous prime is 3800861. The next prime is 3800887. The reversal of 3800864 is 4680083.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 883600 = 1708^2 + 940^2 .

It is not an unprimeable number, because it can be changed into a prime (3800861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 2760.

Almost surely, 23800864 is an apocalyptic number.

It is an amenable number.

3800864 is an abundant number, since it is smaller than the sum of its proper divisors (3867244).

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

3800864 is a wasteful number, since it uses less digits than its factorization.

3800864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3800864 is about 1949.5804676904. The cubic root of 3800864 is about 156.0609010518.

It can be divided in two parts, 3800 and 864, that added together give a palindrome (4664).

The spelling of 3800864 in words is "three million, eight hundred thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 2897 5794 11588 23176 46352 92704 118777 237554 475108 950216 1900432 3800864