Search a number
-
+
3280064 = 2653967
BaseRepresentation
bin1100100000110011000000
320011122101212
430200303000
51314430224
6154145252
736610604
oct14406300
96148355
103280064
1119403a7
121122228
138aac88
14615504
1544bd0e
hex320cc0

3280064 has 28 divisors (see below), whose sum is σ = 6638544. Its totient is φ = 1607424.

The previous prime is 3280061. The next prime is 3280073. The reversal of 3280064 is 4600823.

It is a happy number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3280061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909 + ... + 3875.

Almost surely, 23280064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3280064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319272).

3280064 is an abundant number, since it is smaller than the sum of its proper divisors (3358480).

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

3280064 is an equidigital number, since it uses as much as digits as its factorization.

3280064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3280064 is about 1811.0946965855. The cubic root of 3280064 is about 148.5801431913.

Adding to 3280064 its reverse (4600823), we get a palindrome (7880887).

The spelling of 3280064 in words is "three million, two hundred eighty thousand, sixty-four".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 967 1696 1934 3392 3868 7736 15472 30944 51251 61888 102502 205004 410008 820016 1640032 3280064