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5720549 = 46112409
BaseRepresentation
bin10101110100100111100101
3101202122010012
4111310213211
52431024144
6322340005
766423662
oct25644745
911678105
105720549
113257a2a
121aba605
131253a53
14a8ca69
1577ee9e
hex5749e5

5720549 has 4 divisors (see below), whose sum is σ = 5733420. Its totient is φ = 5707680.

The previous prime is 5720543. The next prime is 5720567. The reversal of 5720549 is 9450275.

5720549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 801025 + 4919524 = 895^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 5720549 - 28 = 5720293 is a prime.

It is a super-2 number, since 2×57205492 = 65449361722802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5744 + ... + 6665.

It is an arithmetic number, because the mean of its divisors is an integer number (1433355).

Almost surely, 25720549 is an apocalyptic number.

It is an amenable number.

5720549 is a deficient number, since it is larger than the sum of its proper divisors (12871).

5720549 is a wasteful number, since it uses less digits than its factorization.

5720549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12870.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5720549 is about 2391.7669200823. The cubic root of 5720549 is about 178.8460021901.

The spelling of 5720549 in words is "five million, seven hundred twenty thousand, five hundred forty-nine".

Divisors: 1 461 12409 5720549