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5721233 = 7817319
BaseRepresentation
bin10101110100110010010001
3101202200001112
4111310302101
52431034413
6322343105
766425660
oct25646221
911680045
105721233
1132584a1
121abaa95
13125415b
14a8cdd7
157802a8
hex574c91

5721233 has 4 divisors (see below), whose sum is σ = 6538560. Its totient is φ = 4903908.

The previous prime is 5721211. The next prime is 5721241. The reversal of 5721233 is 3321275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5721233 - 222 = 1526929 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5721199 and 5721208.

It is not an unprimeable number, because it can be changed into a prime (5721203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408653 + ... + 408666.

It is an arithmetic number, because the mean of its divisors is an integer number (1634640).

Almost surely, 25721233 is an apocalyptic number.

It is an amenable number.

5721233 is a deficient number, since it is larger than the sum of its proper divisors (817327).

5721233 is an equidigital number, since it uses as much as digits as its factorization.

5721233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817326.

The product of its digits is 1260, while the sum is 23.

The square root of 5721233 is about 2391.9099063301. The cubic root of 5721233 is about 178.8531300486.

The spelling of 5721233 in words is "five million, seven hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 7 817319 5721233