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3213313 = 5775569
BaseRepresentation
bin1100010000100000000001
320001020211121
430100200001
51310311223
6152512241
736212155
oct14204001
96036747
103213313
1118a5234
1210ab681
1388678c
145d9065
1543715d
hex310801

3213313 has 4 divisors (see below), whose sum is σ = 3219460. Its totient is φ = 3207168.

The previous prime is 3213283. The next prime is 3213349. The reversal of 3213313 is 3133123.

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 2166784 + 1046529 = 1472^2 + 1023^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213313 - 25 = 3213281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (804865).

It is a Proth number, since it is equal to 1569 ⋅ 211 + 1 and 1569 < 211.

Almost surely, 23213313 is an apocalyptic number.

It is an amenable number.

3213313 is a deficient number, since it is larger than the sum of its proper divisors (6147).

3213313 is an equidigital number, since it uses as much as digits as its factorization.

3213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146.

The product of its digits is 162, while the sum is 16.

The square root of 3213313 is about 1792.5716164215. The cubic root of 3213313 is about 147.5653335007.

Adding to 3213313 its reverse (3133123), we get a palindrome (6346436).

The spelling of 3213313 in words is "three million, two hundred thirteen thousand, three hundred thirteen".

Divisors: 1 577 5569 3213313