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3224005 = 5644801
BaseRepresentation
bin1100010011000111000101
320001210111121
430103013011
51311132010
6153033541
736255301
oct14230705
96053447
103224005
111902274
1210b58b1
1388b5c5
145dcd01
1543a3da
hex3131c5

3224005 has 4 divisors (see below), whose sum is σ = 3868812. Its totient is φ = 2579200.

The previous prime is 3223991. The next prime is 3224009. The reversal of 3224005 is 5004223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 919681 = 1518^2 + 959^2 .

It is not a de Polignac number, because 3224005 - 211 = 3221957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3224005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224009) 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, 322396 + ... + 322405.

It is an arithmetic number, because the mean of its divisors is an integer number (967203).

Almost surely, 23224005 is an apocalyptic number.

It is an amenable number.

3224005 is a deficient number, since it is larger than the sum of its proper divisors (644807).

3224005 is an equidigital number, since it uses as much as digits as its factorization.

3224005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644806.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3224005 is about 1795.5514473275. The cubic root of 3224005 is about 147.7288222753.

Adding to 3224005 its reverse (5004223), we get a palindrome (8228228).

The spelling of 3224005 in words is "three million, two hundred twenty-four thousand, five".

Divisors: 1 5 644801 3224005