Search a number
-
+
3284745 = 35239521
BaseRepresentation
bin1100100001111100001001
320011212211020
430201330021
51320102440
6154223053
736630342
oct14417411
96155736
103284745
111943972
121124a89
138b0149
146170c9
1544d3d0
hex321f09

3284745 has 16 divisors (see below), whose sum is σ = 5484672. Its totient is φ = 1675520.

The previous prime is 3284737. The next prime is 3284747. The reversal of 3284745 is 5474823.

It is not a de Polignac number, because 3284745 - 23 = 3284737 is a prime.

It is a d-powerful number, because it can be written as 39 + 2 + 87 + 46 + 77 + 49 + 57 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3284747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4416 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (342792).

Almost surely, 23284745 is an apocalyptic number.

It is an amenable number.

3284745 is a deficient number, since it is larger than the sum of its proper divisors (2199927).

3284745 is a wasteful number, since it uses less digits than its factorization.

3284745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552.

The product of its digits is 26880, while the sum is 33.

The square root of 3284745 is about 1812.3865481734. The cubic root of 3284745 is about 148.6507894815.

The spelling of 3284745 in words is "three million, two hundred eighty-four thousand, seven hundred forty-five".

Divisors: 1 3 5 15 23 69 115 345 9521 28563 47605 142815 218983 656949 1094915 3284745