Search a number
-
+
3133223 = 7574139
BaseRepresentation
bin1011111100111100100111
312220011222022
423330330213
51300230343
6151053355
735426522
oct13747447
95804868
103133223
111850045
12107125b
138591a2
145b7bb9
1541d568
hex2fcf27

3133223 has 4 divisors (see below), whose sum is σ = 3138120. Its totient is φ = 3128328.

The previous prime is 3133213. The next prime is 3133237. The reversal of 3133223 is 3223313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223313 = 8936217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3133223 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 (3133213) 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, 1313 + ... + 2826.

It is an arithmetic number, because the mean of its divisors is an integer number (784530).

Almost surely, 23133223 is an apocalyptic number.

3133223 is a deficient number, since it is larger than the sum of its proper divisors (4897).

3133223 is an equidigital number, since it uses as much as digits as its factorization.

3133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896.

The product of its digits is 324, while the sum is 17.

The square root of 3133223 is about 1770.0912405862. The cubic root of 3133223 is about 146.3290103186.

Adding to 3133223 its reverse (3223313), we get a palindrome (6356536).

The spelling of 3133223 in words is "three million, one hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 757 4139 3133223