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3228755 = 5645751
BaseRepresentation
bin1100010100010001010011
320002001000112
430110101103
51311310010
6153111535
736305165
oct14242123
96061015
103228755
1119058a2
1210b85ab
1389080a
14600935
1543ba05
hex314453

3228755 has 4 divisors (see below), whose sum is σ = 3874512. Its totient is φ = 2583000.

The previous prime is 3228751. The next prime is 3228769. The reversal of 3228755 is 5578223.

3228755 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5578223 = 7796889.

It is not a de Polignac number, because 3228755 - 22 = 3228751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228751) 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, 322871 + ... + 322880.

It is an arithmetic number, because the mean of its divisors is an integer number (968628).

Almost surely, 23228755 is an apocalyptic number.

3228755 is a deficient number, since it is larger than the sum of its proper divisors (645757).

3228755 is an equidigital number, since it uses as much as digits as its factorization.

3228755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645756.

The product of its digits is 16800, while the sum is 32.

The square root of 3228755 is about 1796.8736739126. The cubic root of 3228755 is about 147.8013374204.

The spelling of 3228755 in words is "three million, two hundred twenty-eight thousand, seven hundred fifty-five".

Divisors: 1 5 645751 3228755