Search a number
-
+
3985573 = 19209767
BaseRepresentation
bin1111001101000010100101
321111111011211
433031002211
52010014243
6221231421
745606514
oct17150245
97444154
103985573
112282469
121402571
13a97137
1475a67b
1553ad9d
hex3cd0a5

3985573 has 4 divisors (see below), whose sum is σ = 4195360. Its totient is φ = 3775788.

The previous prime is 3985567. The next prime is 3985589. The reversal of 3985573 is 3755893.

It is a happy number.

3985573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3755893 = 14332621.

It is a cyclic number.

It is not a de Polignac number, because 3985573 - 213 = 3977381 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 (3985523) 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 3 ways as a sum of consecutive naturals, for example, 104865 + ... + 104902.

It is an arithmetic number, because the mean of its divisors is an integer number (1048840).

Almost surely, 23985573 is an apocalyptic number.

It is an amenable number.

3985573 is a deficient number, since it is larger than the sum of its proper divisors (209787).

3985573 is a wasteful number, since it uses less digits than its factorization.

3985573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209786.

The product of its digits is 113400, while the sum is 40.

The square root of 3985573 is about 1996.3899919605. The cubic root of 3985573 is about 158.5490300007.

The spelling of 3985573 in words is "three million, nine hundred eighty-five thousand, five hundred seventy-three".

Divisors: 1 19 209767 3985573