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4380005 = 57235441
BaseRepresentation
bin10000101101010101100101
322020112020102
4100231111211
52110130010
6233513445
752141460
oct20552545
98215212
104380005
112521843
121572885
13ba4826
148202d7
155b7ba5
hex42d565

4380005 has 16 divisors (see below), whose sum is σ = 6269184. Its totient is φ = 2872320.

The previous prime is 4380001. The next prime is 4380017. The reversal of 4380005 is 5000834.

It is not a de Polignac number, because 4380005 - 22 = 4380001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916 + ... + 3525.

It is an arithmetic number, because the mean of its divisors is an integer number (391824).

Almost surely, 24380005 is an apocalyptic number.

It is an amenable number.

4380005 is a deficient number, since it is larger than the sum of its proper divisors (1889179).

4380005 is a wasteful number, since it uses less digits than its factorization.

4380005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4380005 is about 2092.8461481915. The cubic root of 4380005 is about 163.6156600724.

Adding to 4380005 its reverse (5000834), we get a palindrome (9380839).

The spelling of 4380005 in words is "four million, three hundred eighty thousand, five".

Divisors: 1 5 7 23 35 115 161 805 5441 27205 38087 125143 190435 625715 876001 4380005