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532220749 is a prime number
BaseRepresentation
bin11111101110010…
…000101101001101
31101002110121121121
4133232100231031
52042222030444
6124451200541
716121541664
oct3756205515
91332417547
10532220749
11253474365
1212a2a6151
1386356b28
1450981ddb
1531ad0084
hex1fb90b4d

532220749 has 2 divisors, whose sum is σ = 532220750. Its totient is φ = 532220748.

The previous prime is 532220707. The next prime is 532220771. The reversal of 532220749 is 947022235.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299047849 + 233172900 = 17293^2 + 15270^2 .

It is a cyclic number.

It is not a de Polignac number, because 532220749 - 219 = 531696461 is a prime.

It is a super-2 number, since 2×5322207492 = 566517851332242002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532220449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266110374 + 266110375.

It is an arithmetic number, because the mean of its divisors is an integer number (266110375).

Almost surely, 2532220749 is an apocalyptic number.

It is an amenable number.

532220749 is a deficient number, since it is larger than the sum of its proper divisors (1).

532220749 is an equidigital number, since it uses as much as digits as its factorization.

532220749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 532220749 is about 23069.9100345017. The cubic root of 532220749 is about 810.3959599411.

The spelling of 532220749 in words is "five hundred thirty-two million, two hundred twenty thousand, seven hundred forty-nine".